Home / 13,714.74-18,926.28-7,746.39

Finding the Fourth Proportional to 13,714.74, 18,926.28 and 7,746.39

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Solution

The fourth proportional to 13,714.74, 18,926.28 and 7,746.39 is: 10,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.74 : 18,926.28 = 7,746.39 : x
  2. Step 2: Convert to fraction form
    13,714.74/18,926.28 = 7,746.39/x
  3. Step 3: Cross multiply
    13,714.74x = 18,926.28 × 7,746.39
  4. Step 4: Simplify right side
    13,714.74x = 146,610,346.13
  5. Step 5: Solve for x
    x = 146,610,346.13/13,714.74
  6. Step 6: Final answer
    x = 10,689.98

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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.