Home / 15,417.20-23,125.80-5,559.50

Finding the Fourth Proportional to 15,417.20, 23,125.80 and 5,559.50

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Solution

The fourth proportional to 15,417.20, 23,125.80 and 5,559.50 is: 8,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.20 : 23,125.80 = 5,559.50 : x
  2. Step 2: Convert to fraction form
    15,417.20/23,125.80 = 5,559.50/x
  3. Step 3: Cross multiply
    15,417.20x = 23,125.80 × 5,559.50
  4. Step 4: Simplify right side
    15,417.20x = 128,567,885.10
  5. Step 5: Solve for x
    x = 128,567,885.10/15,417.20
  6. Step 6: Final answer
    x = 8,339.25

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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.