Home / 10,457.52-14,431.68-6,267.12

Finding the Fourth Proportional to 10,457.52, 14,431.68 and 6,267.12

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Solution

The fourth proportional to 10,457.52, 14,431.68 and 6,267.12 is: 8,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.52 : 14,431.68 = 6,267.12 : x
  2. Step 2: Convert to fraction form
    10,457.52/14,431.68 = 6,267.12/x
  3. Step 3: Cross multiply
    10,457.52x = 14,431.68 × 6,267.12
  4. Step 4: Simplify right side
    10,457.52x = 90,445,070.36
  5. Step 5: Solve for x
    x = 90,445,070.36/10,457.52
  6. Step 6: Final answer
    x = 8,648.81

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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.