Home / 13,127.74-19,685.85-4,805.60

Finding the Fourth Proportional to 13,127.74, 19,685.85 and 4,805.60

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Solution

The fourth proportional to 13,127.74, 19,685.85 and 4,805.60 is: 7,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.74 : 19,685.85 = 4,805.60 : x
  2. Step 2: Convert to fraction form
    13,127.74/19,685.85 = 4,805.60/x
  3. Step 3: Cross multiply
    13,127.74x = 19,685.85 × 4,805.60
  4. Step 4: Simplify right side
    13,127.74x = 94,602,320.76
  5. Step 5: Solve for x
    x = 94,602,320.76/13,127.74
  6. Step 6: Final answer
    x = 7,206.29

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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.