Home / 15,153.60-22,730.40-9,904.80

Finding the Fourth Proportional to 15,153.60, 22,730.40 and 9,904.80

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Solution

The fourth proportional to 15,153.60, 22,730.40 and 9,904.80 is: 14,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.60 : 22,730.40 = 9,904.80 : x
  2. Step 2: Convert to fraction form
    15,153.60/22,730.40 = 9,904.80/x
  3. Step 3: Cross multiply
    15,153.60x = 22,730.40 × 9,904.80
  4. Step 4: Simplify right side
    15,153.60x = 225,140,065.92
  5. Step 5: Solve for x
    x = 225,140,065.92/15,153.60
  6. Step 6: Final answer
    x = 14,857.20

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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.