Home / 15,427.29-23,131.21-13,088.11

Finding the Fourth Proportional to 15,427.29, 23,131.21 and 13,088.11

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Solution

The fourth proportional to 15,427.29, 23,131.21 and 13,088.11 is: 19,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.29 : 23,131.21 = 13,088.11 : x
  2. Step 2: Convert to fraction form
    15,427.29/23,131.21 = 13,088.11/x
  3. Step 3: Cross multiply
    15,427.29x = 23,131.21 × 13,088.11
  4. Step 4: Simplify right side
    15,427.29x = 302,743,701.45
  5. Step 5: Solve for x
    x = 302,743,701.45/15,427.29
  6. Step 6: Final answer
    x = 19,623.91

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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.