Home / 9,865.02-13,612.10-5,886.30

Finding the Fourth Proportional to 9,865.02, 13,612.10 and 5,886.30

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Solution

The fourth proportional to 9,865.02, 13,612.10 and 5,886.30 is: 8,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.02 : 13,612.10 = 5,886.30 : x
  2. Step 2: Convert to fraction form
    9,865.02/13,612.10 = 5,886.30/x
  3. Step 3: Cross multiply
    9,865.02x = 13,612.10 × 5,886.30
  4. Step 4: Simplify right side
    9,865.02x = 80,124,904.23
  5. Step 5: Solve for x
    x = 80,124,904.23/9,865.02
  6. Step 6: Final answer
    x = 8,122.12

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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.