Home / 15,549.03-21,471.08-13,332.87

Finding the Fourth Proportional to 15,549.03, 21,471.08 and 13,332.87

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Solution

The fourth proportional to 15,549.03, 21,471.08 and 13,332.87 is: 18,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.03 : 21,471.08 = 13,332.87 : x
  2. Step 2: Convert to fraction form
    15,549.03/21,471.08 = 13,332.87/x
  3. Step 3: Cross multiply
    15,549.03x = 21,471.08 × 13,332.87
  4. Step 4: Simplify right side
    15,549.03x = 286,271,051.74
  5. Step 5: Solve for x
    x = 286,271,051.74/15,549.03
  6. Step 6: Final answer
    x = 18,410.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.