Home / 14,318.28-19,714.32-13,006.08

Finding the Fourth Proportional to 14,318.28, 19,714.32 and 13,006.08

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Solution

The fourth proportional to 14,318.28, 19,714.32 and 13,006.08 is: 17,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.28 : 19,714.32 = 13,006.08 : x
  2. Step 2: Convert to fraction form
    14,318.28/19,714.32 = 13,006.08/x
  3. Step 3: Cross multiply
    14,318.28x = 19,714.32 × 13,006.08
  4. Step 4: Simplify right side
    14,318.28x = 256,406,023.07
  5. Step 5: Solve for x
    x = 256,406,023.07/14,318.28
  6. Step 6: Final answer
    x = 17,907.60

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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.