Home / 15,349.40-23,016.70-9,110.20

Finding the Fourth Proportional to 15,349.40, 23,016.70 and 9,110.20

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Solution

The fourth proportional to 15,349.40, 23,016.70 and 9,110.20 is: 13,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.40 : 23,016.70 = 9,110.20 : x
  2. Step 2: Convert to fraction form
    15,349.40/23,016.70 = 9,110.20/x
  3. Step 3: Cross multiply
    15,349.40x = 23,016.70 × 9,110.20
  4. Step 4: Simplify right side
    15,349.40x = 209,686,740.34
  5. Step 5: Solve for x
    x = 209,686,740.34/15,349.40
  6. Step 6: Final answer
    x = 13,660.91

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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.