Home / 12,415.93-18,637.16-5,025.22

Finding the Fourth Proportional to 12,415.93, 18,637.16 and 5,025.22

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Solution

The fourth proportional to 12,415.93, 18,637.16 and 5,025.22 is: 7,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.93 : 18,637.16 = 5,025.22 : x
  2. Step 2: Convert to fraction form
    12,415.93/18,637.16 = 5,025.22/x
  3. Step 3: Cross multiply
    12,415.93x = 18,637.16 × 5,025.22
  4. Step 4: Simplify right side
    12,415.93x = 93,655,757.46
  5. Step 5: Solve for x
    x = 93,655,757.46/12,415.93
  6. Step 6: Final answer
    x = 7,543.19

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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.