Home / 14,319.16-21,485.12-5,554.76

Finding the Fourth Proportional to 14,319.16, 21,485.12 and 5,554.76

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Solution

The fourth proportional to 14,319.16, 21,485.12 and 5,554.76 is: 8,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.16 : 21,485.12 = 5,554.76 : x
  2. Step 2: Convert to fraction form
    14,319.16/21,485.12 = 5,554.76/x
  3. Step 3: Cross multiply
    14,319.16x = 21,485.12 × 5,554.76
  4. Step 4: Simplify right side
    14,319.16x = 119,344,549.97
  5. Step 5: Solve for x
    x = 119,344,549.97/14,319.16
  6. Step 6: Final answer
    x = 8,334.61

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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.