Home / 12,975.55-19,463.63-5,077.71

Finding the Fourth Proportional to 12,975.55, 19,463.63 and 5,077.71

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Solution

The fourth proportional to 12,975.55, 19,463.63 and 5,077.71 is: 7,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.55 : 19,463.63 = 5,077.71 : x
  2. Step 2: Convert to fraction form
    12,975.55/19,463.63 = 5,077.71/x
  3. Step 3: Cross multiply
    12,975.55x = 19,463.63 × 5,077.71
  4. Step 4: Simplify right side
    12,975.55x = 98,830,643.30
  5. Step 5: Solve for x
    x = 98,830,643.30/12,975.55
  6. Step 6: Final answer
    x = 7,616.68

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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.