Home / 15,510.02-21,404.23-8,794.35

Finding the Fourth Proportional to 15,510.02, 21,404.23 and 8,794.35

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Solution

The fourth proportional to 15,510.02, 21,404.23 and 8,794.35 is: 12,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.02 : 21,404.23 = 8,794.35 : x
  2. Step 2: Convert to fraction form
    15,510.02/21,404.23 = 8,794.35/x
  3. Step 3: Cross multiply
    15,510.02x = 21,404.23 × 8,794.35
  4. Step 4: Simplify right side
    15,510.02x = 188,236,268.11
  5. Step 5: Solve for x
    x = 188,236,268.11/15,510.02
  6. Step 6: Final answer
    x = 12,136.43

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.