Home / 12,510.24-18,759.36-4,714.08

Finding the Fourth Proportional to 12,510.24, 18,759.36 and 4,714.08

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Solution

The fourth proportional to 12,510.24, 18,759.36 and 4,714.08 is: 7,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.24 : 18,759.36 = 4,714.08 : x
  2. Step 2: Convert to fraction form
    12,510.24/18,759.36 = 4,714.08/x
  3. Step 3: Cross multiply
    12,510.24x = 18,759.36 × 4,714.08
  4. Step 4: Simplify right side
    12,510.24x = 88,433,123.79
  5. Step 5: Solve for x
    x = 88,433,123.79/12,510.24
  6. Step 6: Final answer
    x = 7,068.86

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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.