Home / 12,715.95-19,074.75-4,396.71

Finding the Fourth Proportional to 12,715.95, 19,074.75 and 4,396.71

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Solution

The fourth proportional to 12,715.95, 19,074.75 and 4,396.71 is: 6,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.95 : 19,074.75 = 4,396.71 : x
  2. Step 2: Convert to fraction form
    12,715.95/19,074.75 = 4,396.71/x
  3. Step 3: Cross multiply
    12,715.95x = 19,074.75 × 4,396.71
  4. Step 4: Simplify right side
    12,715.95x = 83,866,144.07
  5. Step 5: Solve for x
    x = 83,866,144.07/12,715.95
  6. Step 6: Final answer
    x = 6,595.35

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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.