Home / 15,023.90-22,509.30-13,394.90

Finding the Fourth Proportional to 15,023.90, 22,509.30 and 13,394.90

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Solution

The fourth proportional to 15,023.90, 22,509.30 and 13,394.90 is: 20,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.90 : 22,509.30 = 13,394.90 : x
  2. Step 2: Convert to fraction form
    15,023.90/22,509.30 = 13,394.90/x
  3. Step 3: Cross multiply
    15,023.90x = 22,509.30 × 13,394.90
  4. Step 4: Simplify right side
    15,023.90x = 301,509,822.57
  5. Step 5: Solve for x
    x = 301,509,822.57/15,023.90
  6. Step 6: Final answer
    x = 20,068.68

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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.