Home / 14,127.40-19,495.16-7,753.86

Finding the Fourth Proportional to 14,127.40, 19,495.16 and 7,753.86

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Solution

The fourth proportional to 14,127.40, 19,495.16 and 7,753.86 is: 10,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.40 : 19,495.16 = 7,753.86 : x
  2. Step 2: Convert to fraction form
    14,127.40/19,495.16 = 7,753.86/x
  3. Step 3: Cross multiply
    14,127.40x = 19,495.16 × 7,753.86
  4. Step 4: Simplify right side
    14,127.40x = 151,162,741.32
  5. Step 5: Solve for x
    x = 151,162,741.32/14,127.40
  6. Step 6: Final answer
    x = 10,699.97

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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.