Home / 19,501.32-29,251.98-9,120.36

Finding the Fourth Proportional to 19,501.32, 29,251.98 and 9,120.36

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Solution

The fourth proportional to 19,501.32, 29,251.98 and 9,120.36 is: 13,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.32 : 29,251.98 = 9,120.36 : x
  2. Step 2: Convert to fraction form
    19,501.32/29,251.98 = 9,120.36/x
  3. Step 3: Cross multiply
    19,501.32x = 29,251.98 × 9,120.36
  4. Step 4: Simplify right side
    19,501.32x = 266,788,588.31
  5. Step 5: Solve for x
    x = 266,788,588.31/19,501.32
  6. Step 6: Final answer
    x = 13,680.54

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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.