Home / 12,713.10-19,070.91-4,710.00

Finding the Fourth Proportional to 12,713.10, 19,070.91 and 4,710.00

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Solution

The fourth proportional to 12,713.10, 19,070.91 and 4,710.00 is: 7,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.10 : 19,070.91 = 4,710.00 : x
  2. Step 2: Convert to fraction form
    12,713.10/19,070.91 = 4,710.00/x
  3. Step 3: Cross multiply
    12,713.10x = 19,070.91 × 4,710.00
  4. Step 4: Simplify right side
    12,713.10x = 89,824,039.95
  5. Step 5: Solve for x
    x = 89,824,039.95/12,713.10
  6. Step 6: Final answer
    x = 7,065.47

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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.