Home / 21,946.48-32,923.80-7,159.59

Finding the Fourth Proportional to 21,946.48, 32,923.80 and 7,159.59

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Solution

The fourth proportional to 21,946.48, 32,923.80 and 7,159.59 is: 10,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.48 : 32,923.80 = 7,159.59 : x
  2. Step 2: Convert to fraction form
    21,946.48/32,923.80 = 7,159.59/x
  3. Step 3: Cross multiply
    21,946.48x = 32,923.80 × 7,159.59
  4. Step 4: Simplify right side
    21,946.48x = 235,720,909.24
  5. Step 5: Solve for x
    x = 235,720,909.24/21,946.48
  6. Step 6: Final answer
    x = 10,740.72

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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.