Home / 14,214.28-19,615.86-7,926.76

Finding the Fourth Proportional to 14,214.28, 19,615.86 and 7,926.76

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Solution

The fourth proportional to 14,214.28, 19,615.86 and 7,926.76 is: 10,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.28 : 19,615.86 = 7,926.76 : x
  2. Step 2: Convert to fraction form
    14,214.28/19,615.86 = 7,926.76/x
  3. Step 3: Cross multiply
    14,214.28x = 19,615.86 × 7,926.76
  4. Step 4: Simplify right side
    14,214.28x = 155,490,214.41
  5. Step 5: Solve for x
    x = 155,490,214.41/14,214.28
  6. Step 6: Final answer
    x = 10,939.01

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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.