Home / 15,392.69-23,058.89-13,719.05

Finding the Fourth Proportional to 15,392.69, 23,058.89 and 13,719.05

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Solution

The fourth proportional to 15,392.69, 23,058.89 and 13,719.05 is: 20,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.69 : 23,058.89 = 13,719.05 : x
  2. Step 2: Convert to fraction form
    15,392.69/23,058.89 = 13,719.05/x
  3. Step 3: Cross multiply
    15,392.69x = 23,058.89 × 13,719.05
  4. Step 4: Simplify right side
    15,392.69x = 316,345,996.26
  5. Step 5: Solve for x
    x = 316,345,996.26/15,392.69
  6. Step 6: Final answer
    x = 20,551.70

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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.