Home / 18,527.08-25,569.84-10,972.80

Finding the Fourth Proportional to 18,527.08, 25,569.84 and 10,972.80

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Solution

The fourth proportional to 18,527.08, 25,569.84 and 10,972.80 is: 15,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.08 : 25,569.84 = 10,972.80 : x
  2. Step 2: Convert to fraction form
    18,527.08/25,569.84 = 10,972.80/x
  3. Step 3: Cross multiply
    18,527.08x = 25,569.84 × 10,972.80
  4. Step 4: Simplify right side
    18,527.08x = 280,572,740.35
  5. Step 5: Solve for x
    x = 280,572,740.35/18,527.08
  6. Step 6: Final answer
    x = 15,143.93

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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.