Home / 15,461.60-23,205.20-7,154.40

Finding the Fourth Proportional to 15,461.60, 23,205.20 and 7,154.40

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Solution

The fourth proportional to 15,461.60, 23,205.20 and 7,154.40 is: 10,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.60 : 23,205.20 = 7,154.40 : x
  2. Step 2: Convert to fraction form
    15,461.60/23,205.20 = 7,154.40/x
  3. Step 3: Cross multiply
    15,461.60x = 23,205.20 × 7,154.40
  4. Step 4: Simplify right side
    15,461.60x = 166,019,282.88
  5. Step 5: Solve for x
    x = 166,019,282.88/15,461.60
  6. Step 6: Final answer
    x = 10,737.52

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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.