Home / 12,442.15-18,664.95-4,543.63

Finding the Fourth Proportional to 12,442.15, 18,664.95 and 4,543.63

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Solution

The fourth proportional to 12,442.15, 18,664.95 and 4,543.63 is: 6,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.15 : 18,664.95 = 4,543.63 : x
  2. Step 2: Convert to fraction form
    12,442.15/18,664.95 = 4,543.63/x
  3. Step 3: Cross multiply
    12,442.15x = 18,664.95 × 4,543.63
  4. Step 4: Simplify right side
    12,442.15x = 84,806,626.77
  5. Step 5: Solve for x
    x = 84,806,626.77/12,442.15
  6. Step 6: Final answer
    x = 6,816.07

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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.