Home / 15,925.15-21,966.01-10,267.11

Finding the Fourth Proportional to 15,925.15, 21,966.01 and 10,267.11

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Solution

The fourth proportional to 15,925.15, 21,966.01 and 10,267.11 is: 14,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.15 : 21,966.01 = 10,267.11 : x
  2. Step 2: Convert to fraction form
    15,925.15/21,966.01 = 10,267.11/x
  3. Step 3: Cross multiply
    15,925.15x = 21,966.01 × 10,267.11
  4. Step 4: Simplify right side
    15,925.15x = 225,527,440.93
  5. Step 5: Solve for x
    x = 225,527,440.93/15,925.15
  6. Step 6: Final answer
    x = 14,161.72

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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.