Home / 20,557.02-30,834.57-14,298.54

Finding the Fourth Proportional to 20,557.02, 30,834.57 and 14,298.54

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Solution

The fourth proportional to 20,557.02, 30,834.57 and 14,298.54 is: 21,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,557.02 : 30,834.57 = 14,298.54 : x
  2. Step 2: Convert to fraction form
    20,557.02/30,834.57 = 14,298.54/x
  3. Step 3: Cross multiply
    20,557.02x = 30,834.57 × 14,298.54
  4. Step 4: Simplify right side
    20,557.02x = 440,889,332.53
  5. Step 5: Solve for x
    x = 440,889,332.53/20,557.02
  6. Step 6: Final answer
    x = 21,447.14

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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.