Home / 14,622.28-21,898.54-9,340.68

Finding the Fourth Proportional to 14,622.28, 21,898.54 and 9,340.68

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Solution

The fourth proportional to 14,622.28, 21,898.54 and 9,340.68 is: 13,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.28 : 21,898.54 = 9,340.68 : x
  2. Step 2: Convert to fraction form
    14,622.28/21,898.54 = 9,340.68/x
  3. Step 3: Cross multiply
    14,622.28x = 21,898.54 × 9,340.68
  4. Step 4: Simplify right side
    14,622.28x = 204,547,254.61
  5. Step 5: Solve for x
    x = 204,547,254.61/14,622.28
  6. Step 6: Final answer
    x = 13,988.74

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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.