Home / 14,387.58-19,853.44-10,612.78

Finding the Fourth Proportional to 14,387.58, 19,853.44 and 10,612.78

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Solution

The fourth proportional to 14,387.58, 19,853.44 and 10,612.78 is: 14,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.58 : 19,853.44 = 10,612.78 : x
  2. Step 2: Convert to fraction form
    14,387.58/19,853.44 = 10,612.78/x
  3. Step 3: Cross multiply
    14,387.58x = 19,853.44 × 10,612.78
  4. Step 4: Simplify right side
    14,387.58x = 210,700,114.80
  5. Step 5: Solve for x
    x = 210,700,114.80/14,387.58
  6. Step 6: Final answer
    x = 14,644.58

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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.