Home / 21,549.36-32,300.10-9,065.70

Finding the Fourth Proportional to 21,549.36, 32,300.10 and 9,065.70

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Solution

The fourth proportional to 21,549.36, 32,300.10 and 9,065.70 is: 13,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549.36 : 32,300.10 = 9,065.70 : x
  2. Step 2: Convert to fraction form
    21,549.36/32,300.10 = 9,065.70/x
  3. Step 3: Cross multiply
    21,549.36x = 32,300.10 × 9,065.70
  4. Step 4: Simplify right side
    21,549.36x = 292,823,016.57
  5. Step 5: Solve for x
    x = 292,823,016.57/21,549.36
  6. Step 6: Final answer
    x = 13,588.48

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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.