Home / 21,946.24-32,920.43-7,155.14

Finding the Fourth Proportional to 21,946.24, 32,920.43 and 7,155.14

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Solution

The fourth proportional to 21,946.24, 32,920.43 and 7,155.14 is: 10,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.24 : 32,920.43 = 7,155.14 : x
  2. Step 2: Convert to fraction form
    21,946.24/32,920.43 = 7,155.14/x
  3. Step 3: Cross multiply
    21,946.24x = 32,920.43 × 7,155.14
  4. Step 4: Simplify right side
    21,946.24x = 235,550,085.13
  5. Step 5: Solve for x
    x = 235,550,085.13/21,946.24
  6. Step 6: Final answer
    x = 10,733.05

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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.