Home / 21,264.08-29,351.02-14,547.14

Finding the Fourth Proportional to 21,264.08, 29,351.02 and 14,547.14

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Solution

The fourth proportional to 21,264.08, 29,351.02 and 14,547.14 is: 20,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.08 : 29,351.02 = 14,547.14 : x
  2. Step 2: Convert to fraction form
    21,264.08/29,351.02 = 14,547.14/x
  3. Step 3: Cross multiply
    21,264.08x = 29,351.02 × 14,547.14
  4. Step 4: Simplify right side
    21,264.08x = 426,973,397.08
  5. Step 5: Solve for x
    x = 426,973,397.08/21,264.08
  6. Step 6: Final answer
    x = 20,079.56

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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.