Home / 9,520.16-14,279.92-4,322.40

Finding the Fourth Proportional to 9,520.16, 14,279.92 and 4,322.40

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Solution

The fourth proportional to 9,520.16, 14,279.92 and 4,322.40 is: 6,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.16 : 14,279.92 = 4,322.40 : x
  2. Step 2: Convert to fraction form
    9,520.16/14,279.92 = 4,322.40/x
  3. Step 3: Cross multiply
    9,520.16x = 14,279.92 × 4,322.40
  4. Step 4: Simplify right side
    9,520.16x = 61,723,526.21
  5. Step 5: Solve for x
    x = 61,723,526.21/9,520.16
  6. Step 6: Final answer
    x = 6,483.45

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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.