Home / 12,925.13-19,387.03-3,565.23

Finding the Fourth Proportional to 12,925.13, 19,387.03 and 3,565.23

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Solution

The fourth proportional to 12,925.13, 19,387.03 and 3,565.23 is: 5,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.13 : 19,387.03 = 3,565.23 : x
  2. Step 2: Convert to fraction form
    12,925.13/19,387.03 = 3,565.23/x
  3. Step 3: Cross multiply
    12,925.13x = 19,387.03 × 3,565.23
  4. Step 4: Simplify right side
    12,925.13x = 69,119,203.14
  5. Step 5: Solve for x
    x = 69,119,203.14/12,925.13
  6. Step 6: Final answer
    x = 5,347.66

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1.5x scale

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.