Home / 21,260.17-29,333.59-14,547.88

Finding the Fourth Proportional to 21,260.17, 29,333.59 and 14,547.88

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Solution

The fourth proportional to 21,260.17, 29,333.59 and 14,547.88 is: 20,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.17 : 29,333.59 = 14,547.88 : x
  2. Step 2: Convert to fraction form
    21,260.17/29,333.59 = 14,547.88/x
  3. Step 3: Cross multiply
    21,260.17x = 29,333.59 × 14,547.88
  4. Step 4: Simplify right side
    21,260.17x = 426,741,547.29
  5. Step 5: Solve for x
    x = 426,741,547.29/21,260.17
  6. Step 6: Final answer
    x = 20,072.35

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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.