Home / 14,037.72-21,041.46-7,457.28

Finding the Fourth Proportional to 14,037.72, 21,041.46 and 7,457.28

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Solution

The fourth proportional to 14,037.72, 21,041.46 and 7,457.28 is: 11,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.72 : 21,041.46 = 7,457.28 : x
  2. Step 2: Convert to fraction form
    14,037.72/21,041.46 = 7,457.28/x
  3. Step 3: Cross multiply
    14,037.72x = 21,041.46 × 7,457.28
  4. Step 4: Simplify right side
    14,037.72x = 156,912,058.83
  5. Step 5: Solve for x
    x = 156,912,058.83/14,037.72
  6. Step 6: Final answer
    x = 11,177.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.