Home / 9,671.04-13,327.32-6,521.76

Finding the Fourth Proportional to 9,671.04, 13,327.32 and 6,521.76

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Solution

The fourth proportional to 9,671.04, 13,327.32 and 6,521.76 is: 8,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.04 : 13,327.32 = 6,521.76 : x
  2. Step 2: Convert to fraction form
    9,671.04/13,327.32 = 6,521.76/x
  3. Step 3: Cross multiply
    9,671.04x = 13,327.32 × 6,521.76
  4. Step 4: Simplify right side
    9,671.04x = 86,917,582.48
  5. Step 5: Solve for x
    x = 86,917,582.48/9,671.04
  6. Step 6: Final answer
    x = 8,987.41

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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.