Home / 14,595.76-20,140.12-8,307.44

Finding the Fourth Proportional to 14,595.76, 20,140.12 and 8,307.44

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Solution

The fourth proportional to 14,595.76, 20,140.12 and 8,307.44 is: 11,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.76 : 20,140.12 = 8,307.44 : x
  2. Step 2: Convert to fraction form
    14,595.76/20,140.12 = 8,307.44/x
  3. Step 3: Cross multiply
    14,595.76x = 20,140.12 × 8,307.44
  4. Step 4: Simplify right side
    14,595.76x = 167,312,838.49
  5. Step 5: Solve for x
    x = 167,312,838.49/14,595.76
  6. Step 6: Final answer
    x = 11,463.11

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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.