Home / 13,547.16-20,317.14-11,356.92

Finding the Fourth Proportional to 13,547.16, 20,317.14 and 11,356.92

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Solution

The fourth proportional to 13,547.16, 20,317.14 and 11,356.92 is: 17,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.16 : 20,317.14 = 11,356.92 : x
  2. Step 2: Convert to fraction form
    13,547.16/20,317.14 = 11,356.92/x
  3. Step 3: Cross multiply
    13,547.16x = 20,317.14 × 11,356.92
  4. Step 4: Simplify right side
    13,547.16x = 230,740,133.61
  5. Step 5: Solve for x
    x = 230,740,133.61/13,547.16
  6. Step 6: Final answer
    x = 17,032.36

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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.