Home / 21,583.02-32,387.08-8,434.74

Finding the Fourth Proportional to 21,583.02, 32,387.08 and 8,434.74

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Solution

The fourth proportional to 21,583.02, 32,387.08 and 8,434.74 is: 12,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.02 : 32,387.08 = 8,434.74 : x
  2. Step 2: Convert to fraction form
    21,583.02/32,387.08 = 8,434.74/x
  3. Step 3: Cross multiply
    21,583.02x = 32,387.08 × 8,434.74
  4. Step 4: Simplify right side
    21,583.02x = 273,176,599.16
  5. Step 5: Solve for x
    x = 273,176,599.16/21,583.02
  6. Step 6: Final answer
    x = 12,657.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.