Home / 12,859.84-19,289.76-5,068.60

Finding the Fourth Proportional to 12,859.84, 19,289.76 and 5,068.60

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Solution

The fourth proportional to 12,859.84, 19,289.76 and 5,068.60 is: 7,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.84 : 19,289.76 = 5,068.60 : x
  2. Step 2: Convert to fraction form
    12,859.84/19,289.76 = 5,068.60/x
  3. Step 3: Cross multiply
    12,859.84x = 19,289.76 × 5,068.60
  4. Step 4: Simplify right side
    12,859.84x = 97,772,077.54
  5. Step 5: Solve for x
    x = 97,772,077.54/12,859.84
  6. Step 6: Final answer
    x = 7,602.90

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Similar ratio
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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.