Home / 9,381.12-14,073.48-2,807.16

Finding the Fourth Proportional to 9,381.12, 14,073.48 and 2,807.16

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Solution

The fourth proportional to 9,381.12, 14,073.48 and 2,807.16 is: 4,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.12 : 14,073.48 = 2,807.16 : x
  2. Step 2: Convert to fraction form
    9,381.12/14,073.48 = 2,807.16/x
  3. Step 3: Cross multiply
    9,381.12x = 14,073.48 × 2,807.16
  4. Step 4: Simplify right side
    9,381.12x = 39,506,510.12
  5. Step 5: Solve for x
    x = 39,506,510.12/9,381.12
  6. Step 6: Final answer
    x = 4,211.28

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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.