Home / 18,884.52-26,060.12-10,386.65

Finding the Fourth Proportional to 18,884.52, 26,060.12 and 10,386.65

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Solution

The fourth proportional to 18,884.52, 26,060.12 and 10,386.65 is: 14,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.52 : 26,060.12 = 10,386.65 : x
  2. Step 2: Convert to fraction form
    18,884.52/26,060.12 = 10,386.65/x
  3. Step 3: Cross multiply
    18,884.52x = 26,060.12 × 10,386.65
  4. Step 4: Simplify right side
    18,884.52x = 270,677,345.40
  5. Step 5: Solve for x
    x = 270,677,345.40/18,884.52
  6. Step 6: Final answer
    x = 14,333.29

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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.