Home / 15,320.19-22,961.73-10,870.86

Finding the Fourth Proportional to 15,320.19, 22,961.73 and 10,870.86

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Solution

The fourth proportional to 15,320.19, 22,961.73 and 10,870.86 is: 16,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.19 : 22,961.73 = 10,870.86 : x
  2. Step 2: Convert to fraction form
    15,320.19/22,961.73 = 10,870.86/x
  3. Step 3: Cross multiply
    15,320.19x = 22,961.73 × 10,870.86
  4. Step 4: Simplify right side
    15,320.19x = 249,613,752.19
  5. Step 5: Solve for x
    x = 249,613,752.19/15,320.19
  6. Step 6: Final answer
    x = 16,293.12

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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.