Home / 13,363.95-18,442.55-8,656.42

Finding the Fourth Proportional to 13,363.95, 18,442.55 and 8,656.42

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Solution

The fourth proportional to 13,363.95, 18,442.55 and 8,656.42 is: 11,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.95 : 18,442.55 = 8,656.42 : x
  2. Step 2: Convert to fraction form
    13,363.95/18,442.55 = 8,656.42/x
  3. Step 3: Cross multiply
    13,363.95x = 18,442.55 × 8,656.42
  4. Step 4: Simplify right side
    13,363.95x = 159,646,458.67
  5. Step 5: Solve for x
    x = 159,646,458.67/13,363.95
  6. Step 6: Final answer
    x = 11,946.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.