Home / 12,460.08-18,688.26-4,140.24

Finding the Fourth Proportional to 12,460.08, 18,688.26 and 4,140.24

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Solution

The fourth proportional to 12,460.08, 18,688.26 and 4,140.24 is: 6,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.08 : 18,688.26 = 4,140.24 : x
  2. Step 2: Convert to fraction form
    12,460.08/18,688.26 = 4,140.24/x
  3. Step 3: Cross multiply
    12,460.08x = 18,688.26 × 4,140.24
  4. Step 4: Simplify right side
    12,460.08x = 77,373,881.58
  5. Step 5: Solve for x
    x = 77,373,881.58/12,460.08
  6. Step 6: Final answer
    x = 6,209.74

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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.