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Finding the Fourth Proportional to 18,009.92, 24,854.64 and 10,054.10

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Solution

The fourth proportional to 18,009.92, 24,854.64 and 10,054.10 is: 13,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.92 : 24,854.64 = 10,054.10 : x
  2. Step 2: Convert to fraction form
    18,009.92/24,854.64 = 10,054.10/x
  3. Step 3: Cross multiply
    18,009.92x = 24,854.64 × 10,054.10
  4. Step 4: Simplify right side
    18,009.92x = 249,891,036.02
  5. Step 5: Solve for x
    x = 249,891,036.02/18,009.92
  6. Step 6: Final answer
    x = 13,875.19

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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.