Home / 15,547.07-21,455.61-8,473.88

Finding the Fourth Proportional to 15,547.07, 21,455.61 and 8,473.88

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Solution

The fourth proportional to 15,547.07, 21,455.61 and 8,473.88 is: 11,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.07 : 21,455.61 = 8,473.88 : x
  2. Step 2: Convert to fraction form
    15,547.07/21,455.61 = 8,473.88/x
  3. Step 3: Cross multiply
    15,547.07x = 21,455.61 × 8,473.88
  4. Step 4: Simplify right side
    15,547.07x = 181,812,264.47
  5. Step 5: Solve for x
    x = 181,812,264.47/15,547.07
  6. Step 6: Final answer
    x = 11,694.31

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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.