Home / 18,355.48-25,332.59-10,289.91

Finding the Fourth Proportional to 18,355.48, 25,332.59 and 10,289.91

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Solution

The fourth proportional to 18,355.48, 25,332.59 and 10,289.91 is: 14,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.48 : 25,332.59 = 10,289.91 : x
  2. Step 2: Convert to fraction form
    18,355.48/25,332.59 = 10,289.91/x
  3. Step 3: Cross multiply
    18,355.48x = 25,332.59 × 10,289.91
  4. Step 4: Simplify right side
    18,355.48x = 260,670,071.17
  5. Step 5: Solve for x
    x = 260,670,071.17/18,355.48
  6. Step 6: Final answer
    x = 14,201.21

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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.