Home / 14,278.68-21,421.06-4,417.74

Finding the Fourth Proportional to 14,278.68, 21,421.06 and 4,417.74

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Solution

The fourth proportional to 14,278.68, 21,421.06 and 4,417.74 is: 6,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.68 : 21,421.06 = 4,417.74 : x
  2. Step 2: Convert to fraction form
    14,278.68/21,421.06 = 4,417.74/x
  3. Step 3: Cross multiply
    14,278.68x = 21,421.06 × 4,417.74
  4. Step 4: Simplify right side
    14,278.68x = 94,632,662.56
  5. Step 5: Solve for x
    x = 94,632,662.56/14,278.68
  6. Step 6: Final answer
    x = 6,627.55

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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.