Home / 15,452.13-21,323.69-8,737.55

Finding the Fourth Proportional to 15,452.13, 21,323.69 and 8,737.55

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Solution

The fourth proportional to 15,452.13, 21,323.69 and 8,737.55 is: 12,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.13 : 21,323.69 = 8,737.55 : x
  2. Step 2: Convert to fraction form
    15,452.13/21,323.69 = 8,737.55/x
  3. Step 3: Cross multiply
    15,452.13x = 21,323.69 × 8,737.55
  4. Step 4: Simplify right side
    15,452.13x = 186,316,722.78
  5. Step 5: Solve for x
    x = 186,316,722.78/15,452.13
  6. Step 6: Final answer
    x = 12,057.67

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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.