Home / 10,014.20-15,088.90-8,297.40

Finding the Fourth Proportional to 10,014.20, 15,088.90 and 8,297.40

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Solution

The fourth proportional to 10,014.20, 15,088.90 and 8,297.40 is: 12,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.20 : 15,088.90 = 8,297.40 : x
  2. Step 2: Convert to fraction form
    10,014.20/15,088.90 = 8,297.40/x
  3. Step 3: Cross multiply
    10,014.20x = 15,088.90 × 8,297.40
  4. Step 4: Simplify right side
    10,014.20x = 125,198,597.37
  5. Step 5: Solve for x
    x = 125,198,597.37/10,014.20
  6. Step 6: Final answer
    x = 12,502.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.