Home / 15,555.48-23,338.98-7,239.96

Finding the Fourth Proportional to 15,555.48, 23,338.98 and 7,239.96

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Solution

The fourth proportional to 15,555.48, 23,338.98 and 7,239.96 is: 10,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.48 : 23,338.98 = 7,239.96 : x
  2. Step 2: Convert to fraction form
    15,555.48/23,338.98 = 7,239.96/x
  3. Step 3: Cross multiply
    15,555.48x = 23,338.98 × 7,239.96
  4. Step 4: Simplify right side
    15,555.48x = 168,973,281.64
  5. Step 5: Solve for x
    x = 168,973,281.64/15,555.48
  6. Step 6: Final answer
    x = 10,862.62

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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.