Home / 22,011.28-30,358.64-14,838.56

Finding the Fourth Proportional to 22,011.28, 30,358.64 and 14,838.56

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Solution

The fourth proportional to 22,011.28, 30,358.64 and 14,838.56 is: 20,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.28 : 30,358.64 = 14,838.56 : x
  2. Step 2: Convert to fraction form
    22,011.28/30,358.64 = 14,838.56/x
  3. Step 3: Cross multiply
    22,011.28x = 30,358.64 × 14,838.56
  4. Step 4: Simplify right side
    22,011.28x = 450,478,501.16
  5. Step 5: Solve for x
    x = 450,478,501.16/22,011.28
  6. Step 6: Final answer
    x = 20,465.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.