Home / 14,342.48-21,510.47-5,454.65

Finding the Fourth Proportional to 14,342.48, 21,510.47 and 5,454.65

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Solution

The fourth proportional to 14,342.48, 21,510.47 and 5,454.65 is: 8,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.48 : 21,510.47 = 5,454.65 : x
  2. Step 2: Convert to fraction form
    14,342.48/21,510.47 = 5,454.65/x
  3. Step 3: Cross multiply
    14,342.48x = 21,510.47 × 5,454.65
  4. Step 4: Simplify right side
    14,342.48x = 117,332,152.60
  5. Step 5: Solve for x
    x = 117,332,152.60/14,342.48
  6. Step 6: Final answer
    x = 8,180.75

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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.