Home / 12,501.63-18,740.14-5,108.25

Finding the Fourth Proportional to 12,501.63, 18,740.14 and 5,108.25

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Solution

The fourth proportional to 12,501.63, 18,740.14 and 5,108.25 is: 7,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.63 : 18,740.14 = 5,108.25 : x
  2. Step 2: Convert to fraction form
    12,501.63/18,740.14 = 5,108.25/x
  3. Step 3: Cross multiply
    12,501.63x = 18,740.14 × 5,108.25
  4. Step 4: Simplify right side
    12,501.63x = 95,729,320.16
  5. Step 5: Solve for x
    x = 95,729,320.16/12,501.63
  6. Step 6: Final answer
    x = 7,657.35

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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.