Home / 13,104.40-19,657.98-7,557.62

Finding the Fourth Proportional to 13,104.40, 19,657.98 and 7,557.62

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Solution

The fourth proportional to 13,104.40, 19,657.98 and 7,557.62 is: 11,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.40 : 19,657.98 = 7,557.62 : x
  2. Step 2: Convert to fraction form
    13,104.40/19,657.98 = 7,557.62/x
  3. Step 3: Cross multiply
    13,104.40x = 19,657.98 × 7,557.62
  4. Step 4: Simplify right side
    13,104.40x = 148,567,542.81
  5. Step 5: Solve for x
    x = 148,567,542.81/13,104.40
  6. Step 6: Final answer
    x = 11,337.23

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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.