Home / 12,570.27-18,861.95-5,075.68

Finding the Fourth Proportional to 12,570.27, 18,861.95 and 5,075.68

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Solution

The fourth proportional to 12,570.27, 18,861.95 and 5,075.68 is: 7,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.27 : 18,861.95 = 5,075.68 : x
  2. Step 2: Convert to fraction form
    12,570.27/18,861.95 = 5,075.68/x
  3. Step 3: Cross multiply
    12,570.27x = 18,861.95 × 5,075.68
  4. Step 4: Simplify right side
    12,570.27x = 95,737,140.31
  5. Step 5: Solve for x
    x = 95,737,140.31/12,570.27
  6. Step 6: Final answer
    x = 7,616.15

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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.