Home / 15,156.40-22,730.28-6,389.52

Finding the Fourth Proportional to 15,156.40, 22,730.28 and 6,389.52

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Solution

The fourth proportional to 15,156.40, 22,730.28 and 6,389.52 is: 9,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.40 : 22,730.28 = 6,389.52 : x
  2. Step 2: Convert to fraction form
    15,156.40/22,730.28 = 6,389.52/x
  3. Step 3: Cross multiply
    15,156.40x = 22,730.28 × 6,389.52
  4. Step 4: Simplify right side
    15,156.40x = 145,235,578.67
  5. Step 5: Solve for x
    x = 145,235,578.67/15,156.40
  6. Step 6: Final answer
    x = 9,582.46

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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.