Home / 15,352.32-23,011.88-7,438.08

Finding the Fourth Proportional to 15,352.32, 23,011.88 and 7,438.08

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Solution

The fourth proportional to 15,352.32, 23,011.88 and 7,438.08 is: 11,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.32 : 23,011.88 = 7,438.08 : x
  2. Step 2: Convert to fraction form
    15,352.32/23,011.88 = 7,438.08/x
  3. Step 3: Cross multiply
    15,352.32x = 23,011.88 × 7,438.08
  4. Step 4: Simplify right side
    15,352.32x = 171,164,167.20
  5. Step 5: Solve for x
    x = 171,164,167.20/15,352.32
  6. Step 6: Final answer
    x = 11,149.08

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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.