Home / 17,869.76-24,659.40-9,911.28

Finding the Fourth Proportional to 17,869.76, 24,659.40 and 9,911.28

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Solution

The fourth proportional to 17,869.76, 24,659.40 and 9,911.28 is: 13,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.76 : 24,659.40 = 9,911.28 : x
  2. Step 2: Convert to fraction form
    17,869.76/24,659.40 = 9,911.28/x
  3. Step 3: Cross multiply
    17,869.76x = 24,659.40 × 9,911.28
  4. Step 4: Simplify right side
    17,869.76x = 244,406,218.03
  5. Step 5: Solve for x
    x = 244,406,218.03/17,869.76
  6. Step 6: Final answer
    x = 13,677.08

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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.