Home / 9,726.08-13,427.52-6,423.68

Finding the Fourth Proportional to 9,726.08, 13,427.52 and 6,423.68

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Solution

The fourth proportional to 9,726.08, 13,427.52 and 6,423.68 is: 8,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.08 : 13,427.52 = 6,423.68 : x
  2. Step 2: Convert to fraction form
    9,726.08/13,427.52 = 6,423.68/x
  3. Step 3: Cross multiply
    9,726.08x = 13,427.52 × 6,423.68
  4. Step 4: Simplify right side
    9,726.08x = 86,254,091.67
  5. Step 5: Solve for x
    x = 86,254,091.67/9,726.08
  6. Step 6: Final answer
    x = 8,868.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.