Home / 12,437.68-18,656.50-8,530.24

Finding the Fourth Proportional to 12,437.68, 18,656.50 and 8,530.24

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Solution

The fourth proportional to 12,437.68, 18,656.50 and 8,530.24 is: 12,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.68 : 18,656.50 = 8,530.24 : x
  2. Step 2: Convert to fraction form
    12,437.68/18,656.50 = 8,530.24/x
  3. Step 3: Cross multiply
    12,437.68x = 18,656.50 × 8,530.24
  4. Step 4: Simplify right side
    12,437.68x = 159,144,422.56
  5. Step 5: Solve for x
    x = 159,144,422.56/12,437.68
  6. Step 6: Final answer
    x = 12,795.35

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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.