Home / 19,011.88-26,236.02-10,628.20

Finding the Fourth Proportional to 19,011.88, 26,236.02 and 10,628.20

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Solution

The fourth proportional to 19,011.88, 26,236.02 and 10,628.20 is: 14,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.88 : 26,236.02 = 10,628.20 : x
  2. Step 2: Convert to fraction form
    19,011.88/26,236.02 = 10,628.20/x
  3. Step 3: Cross multiply
    19,011.88x = 26,236.02 × 10,628.20
  4. Step 4: Simplify right side
    19,011.88x = 278,841,667.76
  5. Step 5: Solve for x
    x = 278,841,667.76/19,011.88
  6. Step 6: Final answer
    x = 14,666.71

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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.