Home / 13,926.52-19,221.06-9,210.70

Finding the Fourth Proportional to 13,926.52, 19,221.06 and 9,210.70

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Solution

The fourth proportional to 13,926.52, 19,221.06 and 9,210.70 is: 12,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.52 : 19,221.06 = 9,210.70 : x
  2. Step 2: Convert to fraction form
    13,926.52/19,221.06 = 9,210.70/x
  3. Step 3: Cross multiply
    13,926.52x = 19,221.06 × 9,210.70
  4. Step 4: Simplify right side
    13,926.52x = 177,039,417.34
  5. Step 5: Solve for x
    x = 177,039,417.34/13,926.52
  6. Step 6: Final answer
    x = 12,712.39

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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.