Home / 12,715.51-19,070.22-4,395.82

Finding the Fourth Proportional to 12,715.51, 19,070.22 and 4,395.82

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Solution

The fourth proportional to 12,715.51, 19,070.22 and 4,395.82 is: 6,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.51 : 19,070.22 = 4,395.82 : x
  2. Step 2: Convert to fraction form
    12,715.51/19,070.22 = 4,395.82/x
  3. Step 3: Cross multiply
    12,715.51x = 19,070.22 × 4,395.82
  4. Step 4: Simplify right side
    12,715.51x = 83,829,254.48
  5. Step 5: Solve for x
    x = 83,829,254.48/12,715.51
  6. Step 6: Final answer
    x = 6,592.68

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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.