Home / 23,187.16-34,749.99-12,630.10

Finding the Fourth Proportional to 23,187.16, 34,749.99 and 12,630.10

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Solution

The fourth proportional to 23,187.16, 34,749.99 and 12,630.10 is: 18,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.16 : 34,749.99 = 12,630.10 : x
  2. Step 2: Convert to fraction form
    23,187.16/34,749.99 = 12,630.10/x
  3. Step 3: Cross multiply
    23,187.16x = 34,749.99 × 12,630.10
  4. Step 4: Simplify right side
    23,187.16x = 438,895,889.19
  5. Step 5: Solve for x
    x = 438,895,889.19/23,187.16
  6. Step 6: Final answer
    x = 18,928.40

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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.