Home / 15,719.54-23,612.18-13,259.16

Finding the Fourth Proportional to 15,719.54, 23,612.18 and 13,259.16

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Solution

The fourth proportional to 15,719.54, 23,612.18 and 13,259.16 is: 19,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.54 : 23,612.18 = 13,259.16 : x
  2. Step 2: Convert to fraction form
    15,719.54/23,612.18 = 13,259.16/x
  3. Step 3: Cross multiply
    15,719.54x = 23,612.18 × 13,259.16
  4. Step 4: Simplify right side
    15,719.54x = 313,077,606.27
  5. Step 5: Solve for x
    x = 313,077,606.27/15,719.54
  6. Step 6: Final answer
    x = 19,916.47

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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.