Home / 9,888.90-14,828.55-5,501.70

Finding the Fourth Proportional to 9,888.90, 14,828.55 and 5,501.70

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Solution

The fourth proportional to 9,888.90, 14,828.55 and 5,501.70 is: 8,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.90 : 14,828.55 = 5,501.70 : x
  2. Step 2: Convert to fraction form
    9,888.90/14,828.55 = 5,501.70/x
  3. Step 3: Cross multiply
    9,888.90x = 14,828.55 × 5,501.70
  4. Step 4: Simplify right side
    9,888.90x = 81,582,233.54
  5. Step 5: Solve for x
    x = 81,582,233.54/9,888.90
  6. Step 6: Final answer
    x = 8,249.88

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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.