Home / 14,478.08-21,715.29-4,618.35

Finding the Fourth Proportional to 14,478.08, 21,715.29 and 4,618.35

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Solution

The fourth proportional to 14,478.08, 21,715.29 and 4,618.35 is: 6,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.08 : 21,715.29 = 4,618.35 : x
  2. Step 2: Convert to fraction form
    14,478.08/21,715.29 = 4,618.35/x
  3. Step 3: Cross multiply
    14,478.08x = 21,715.29 × 4,618.35
  4. Step 4: Simplify right side
    14,478.08x = 100,288,809.57
  5. Step 5: Solve for x
    x = 100,288,809.57/14,478.08
  6. Step 6: Final answer
    x = 6,926.94

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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.