Home / 14,594.79-20,140.97-8,307.21

Finding the Fourth Proportional to 14,594.79, 20,140.97 and 8,307.21

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Solution

The fourth proportional to 14,594.79, 20,140.97 and 8,307.21 is: 11,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,594.79 : 20,140.97 = 8,307.21 : x
  2. Step 2: Convert to fraction form
    14,594.79/20,140.97 = 8,307.21/x
  3. Step 3: Cross multiply
    14,594.79x = 20,140.97 × 8,307.21
  4. Step 4: Simplify right side
    14,594.79x = 167,315,225.86
  5. Step 5: Solve for x
    x = 167,315,225.86/14,594.79
  6. Step 6: Final answer
    x = 11,464.04

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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.