Home / 10,202.10-15,282.90-8,984.40

Finding the Fourth Proportional to 10,202.10, 15,282.90 and 8,984.40

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Solution

The fourth proportional to 10,202.10, 15,282.90 and 8,984.40 is: 13,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.10 : 15,282.90 = 8,984.40 : x
  2. Step 2: Convert to fraction form
    10,202.10/15,282.90 = 8,984.40/x
  3. Step 3: Cross multiply
    10,202.10x = 15,282.90 × 8,984.40
  4. Step 4: Simplify right side
    10,202.10x = 137,307,686.76
  5. Step 5: Solve for x
    x = 137,307,686.76/10,202.10
  6. Step 6: Final answer
    x = 13,458.77

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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.