Home / 14,253.81-21,358.83-8,698.83

Finding the Fourth Proportional to 14,253.81, 21,358.83 and 8,698.83

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Solution

The fourth proportional to 14,253.81, 21,358.83 and 8,698.83 is: 13,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.81 : 21,358.83 = 8,698.83 : x
  2. Step 2: Convert to fraction form
    14,253.81/21,358.83 = 8,698.83/x
  3. Step 3: Cross multiply
    14,253.81x = 21,358.83 × 8,698.83
  4. Step 4: Simplify right side
    14,253.81x = 185,796,831.17
  5. Step 5: Solve for x
    x = 185,796,831.17/14,253.81
  6. Step 6: Final answer
    x = 13,034.89

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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.