Home / 10,297.55-14,200.20-9,159.62

Finding the Fourth Proportional to 10,297.55, 14,200.20 and 9,159.62

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Solution

The fourth proportional to 10,297.55, 14,200.20 and 9,159.62 is: 12,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.55 : 14,200.20 = 9,159.62 : x
  2. Step 2: Convert to fraction form
    10,297.55/14,200.20 = 9,159.62/x
  3. Step 3: Cross multiply
    10,297.55x = 14,200.20 × 9,159.62
  4. Step 4: Simplify right side
    10,297.55x = 130,068,435.92
  5. Step 5: Solve for x
    x = 130,068,435.92/10,297.55
  6. Step 6: Final answer
    x = 12,631.01

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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.