Home / 15,281.28-22,923.36-5,421.60

Finding the Fourth Proportional to 15,281.28, 22,923.36 and 5,421.60

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Solution

The fourth proportional to 15,281.28, 22,923.36 and 5,421.60 is: 8,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.28 : 22,923.36 = 5,421.60 : x
  2. Step 2: Convert to fraction form
    15,281.28/22,923.36 = 5,421.60/x
  3. Step 3: Cross multiply
    15,281.28x = 22,923.36 × 5,421.60
  4. Step 4: Simplify right side
    15,281.28x = 124,281,288.58
  5. Step 5: Solve for x
    x = 124,281,288.58/15,281.28
  6. Step 6: Final answer
    x = 8,132.91

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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.