Home / 22,648.11-31,258.97-13,088.40

Finding the Fourth Proportional to 22,648.11, 31,258.97 and 13,088.40

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Solution

The fourth proportional to 22,648.11, 31,258.97 and 13,088.40 is: 18,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.11 : 31,258.97 = 13,088.40 : x
  2. Step 2: Convert to fraction form
    22,648.11/31,258.97 = 13,088.40/x
  3. Step 3: Cross multiply
    22,648.11x = 31,258.97 × 13,088.40
  4. Step 4: Simplify right side
    22,648.11x = 409,129,842.99
  5. Step 5: Solve for x
    x = 409,129,842.99/22,648.11
  6. Step 6: Final answer
    x = 18,064.64

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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.