Home / 10,555.60-15,821.32-5,001.07

Finding the Fourth Proportional to 10,555.60, 15,821.32 and 5,001.07

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Solution

The fourth proportional to 10,555.60, 15,821.32 and 5,001.07 is: 7,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.60 : 15,821.32 = 5,001.07 : x
  2. Step 2: Convert to fraction form
    10,555.60/15,821.32 = 5,001.07/x
  3. Step 3: Cross multiply
    10,555.60x = 15,821.32 × 5,001.07
  4. Step 4: Simplify right side
    10,555.60x = 79,123,528.81
  5. Step 5: Solve for x
    x = 79,123,528.81/10,555.60
  6. Step 6: Final answer
    x = 7,495.88

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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.