Home / 13,940.70-19,250.63-10,397.76

Finding the Fourth Proportional to 13,940.70, 19,250.63 and 10,397.76

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Solution

The fourth proportional to 13,940.70, 19,250.63 and 10,397.76 is: 14,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.70 : 19,250.63 = 10,397.76 : x
  2. Step 2: Convert to fraction form
    13,940.70/19,250.63 = 10,397.76/x
  3. Step 3: Cross multiply
    13,940.70x = 19,250.63 × 10,397.76
  4. Step 4: Simplify right side
    13,940.70x = 200,163,430.59
  5. Step 5: Solve for x
    x = 200,163,430.59/13,940.70
  6. Step 6: Final answer
    x = 14,358.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.