Home / 15,460.79-23,170.19-13,924.40

Finding the Fourth Proportional to 15,460.79, 23,170.19 and 13,924.40

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Solution

The fourth proportional to 15,460.79, 23,170.19 and 13,924.40 is: 20,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.79 : 23,170.19 = 13,924.40 : x
  2. Step 2: Convert to fraction form
    15,460.79/23,170.19 = 13,924.40/x
  3. Step 3: Cross multiply
    15,460.79x = 23,170.19 × 13,924.40
  4. Step 4: Simplify right side
    15,460.79x = 322,630,808.16
  5. Step 5: Solve for x
    x = 322,630,808.16/15,460.79
  6. Step 6: Final answer
    x = 20,867.69

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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.