Home / 16,398.74-22,628.18-9,325.31

Finding the Fourth Proportional to 16,398.74, 22,628.18 and 9,325.31

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Solution

The fourth proportional to 16,398.74, 22,628.18 and 9,325.31 is: 12,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.74 : 22,628.18 = 9,325.31 : x
  2. Step 2: Convert to fraction form
    16,398.74/22,628.18 = 9,325.31/x
  3. Step 3: Cross multiply
    16,398.74x = 22,628.18 × 9,325.31
  4. Step 4: Simplify right side
    16,398.74x = 211,014,746.61
  5. Step 5: Solve for x
    x = 211,014,746.61/16,398.74
  6. Step 6: Final answer
    x = 12,867.75

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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.