Home / 10,346.10-15,551.55-10,151.70

Finding the Fourth Proportional to 10,346.10, 15,551.55 and 10,151.70

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Solution

The fourth proportional to 10,346.10, 15,551.55 and 10,151.70 is: 15,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.10 : 15,551.55 = 10,151.70 : x
  2. Step 2: Convert to fraction form
    10,346.10/15,551.55 = 10,151.70/x
  3. Step 3: Cross multiply
    10,346.10x = 15,551.55 × 10,151.70
  4. Step 4: Simplify right side
    10,346.10x = 157,874,670.14
  5. Step 5: Solve for x
    x = 157,874,670.14/10,346.10
  6. Step 6: Final answer
    x = 15,259.34

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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.