Home / 10,252.10-15,341.70-7,117.40

Finding the Fourth Proportional to 10,252.10, 15,341.70 and 7,117.40

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Solution

The fourth proportional to 10,252.10, 15,341.70 and 7,117.40 is: 10,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.10 : 15,341.70 = 7,117.40 : x
  2. Step 2: Convert to fraction form
    10,252.10/15,341.70 = 7,117.40/x
  3. Step 3: Cross multiply
    10,252.10x = 15,341.70 × 7,117.40
  4. Step 4: Simplify right side
    10,252.10x = 109,193,015.58
  5. Step 5: Solve for x
    x = 109,193,015.58/10,252.10
  6. Step 6: Final answer
    x = 10,650.80

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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.