Home / 15,168.81-22,754.40-6,853.49

Finding the Fourth Proportional to 15,168.81, 22,754.40 and 6,853.49

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Solution

The fourth proportional to 15,168.81, 22,754.40 and 6,853.49 is: 10,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.81 : 22,754.40 = 6,853.49 : x
  2. Step 2: Convert to fraction form
    15,168.81/22,754.40 = 6,853.49/x
  3. Step 3: Cross multiply
    15,168.81x = 22,754.40 × 6,853.49
  4. Step 4: Simplify right side
    15,168.81x = 155,947,052.86
  5. Step 5: Solve for x
    x = 155,947,052.86/15,168.81
  6. Step 6: Final answer
    x = 10,280.77

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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.