Home / 10,070.56-13,898.10-5,595.76

Finding the Fourth Proportional to 10,070.56, 13,898.10 and 5,595.76

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Solution

The fourth proportional to 10,070.56, 13,898.10 and 5,595.76 is: 7,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.56 : 13,898.10 = 5,595.76 : x
  2. Step 2: Convert to fraction form
    10,070.56/13,898.10 = 5,595.76/x
  3. Step 3: Cross multiply
    10,070.56x = 13,898.10 × 5,595.76
  4. Step 4: Simplify right side
    10,070.56x = 77,770,432.06
  5. Step 5: Solve for x
    x = 77,770,432.06/10,070.56
  6. Step 6: Final answer
    x = 7,722.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.