Home / 21,543.99-32,308.81-9,061.69

Finding the Fourth Proportional to 21,543.99, 32,308.81 and 9,061.69

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Solution

The fourth proportional to 21,543.99, 32,308.81 and 9,061.69 is: 13,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.99 : 32,308.81 = 9,061.69 : x
  2. Step 2: Convert to fraction form
    21,543.99/32,308.81 = 9,061.69/x
  3. Step 3: Cross multiply
    21,543.99x = 32,308.81 × 9,061.69
  4. Step 4: Simplify right side
    21,543.99x = 292,772,420.49
  5. Step 5: Solve for x
    x = 292,772,420.49/21,543.99
  6. Step 6: Final answer
    x = 13,589.52

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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.