Home / 10,347.10-15,536.85-7,074.70

Finding the Fourth Proportional to 10,347.10, 15,536.85 and 7,074.70

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Solution

The fourth proportional to 10,347.10, 15,536.85 and 7,074.70 is: 10,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.10 : 15,536.85 = 7,074.70 : x
  2. Step 2: Convert to fraction form
    10,347.10/15,536.85 = 7,074.70/x
  3. Step 3: Cross multiply
    10,347.10x = 15,536.85 × 7,074.70
  4. Step 4: Simplify right side
    10,347.10x = 109,918,552.70
  5. Step 5: Solve for x
    x = 109,918,552.70/10,347.10
  6. Step 6: Final answer
    x = 10,623.13

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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.