Home / 12,670.16-19,005.02-4,880.66

Finding the Fourth Proportional to 12,670.16, 19,005.02 and 4,880.66

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Solution

The fourth proportional to 12,670.16, 19,005.02 and 4,880.66 is: 7,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.16 : 19,005.02 = 4,880.66 : x
  2. Step 2: Convert to fraction form
    12,670.16/19,005.02 = 4,880.66/x
  3. Step 3: Cross multiply
    12,670.16x = 19,005.02 × 4,880.66
  4. Step 4: Simplify right side
    12,670.16x = 92,757,040.91
  5. Step 5: Solve for x
    x = 92,757,040.91/12,670.16
  6. Step 6: Final answer
    x = 7,320.91

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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.