Home / 9,475.98-14,218.77-6,391.50

Finding the Fourth Proportional to 9,475.98, 14,218.77 and 6,391.50

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Solution

The fourth proportional to 9,475.98, 14,218.77 and 6,391.50 is: 9,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.98 : 14,218.77 = 6,391.50 : x
  2. Step 2: Convert to fraction form
    9,475.98/14,218.77 = 6,391.50/x
  3. Step 3: Cross multiply
    9,475.98x = 14,218.77 × 6,391.50
  4. Step 4: Simplify right side
    9,475.98x = 90,879,268.46
  5. Step 5: Solve for x
    x = 90,879,268.46/9,475.98
  6. Step 6: Final answer
    x = 9,590.49

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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.