Home / 14,307.28-19,739.22-9,277.96

Finding the Fourth Proportional to 14,307.28, 19,739.22 and 9,277.96

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Solution

The fourth proportional to 14,307.28, 19,739.22 and 9,277.96 is: 12,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.28 : 19,739.22 = 9,277.96 : x
  2. Step 2: Convert to fraction form
    14,307.28/19,739.22 = 9,277.96/x
  3. Step 3: Cross multiply
    14,307.28x = 19,739.22 × 9,277.96
  4. Step 4: Simplify right side
    14,307.28x = 183,139,693.59
  5. Step 5: Solve for x
    x = 183,139,693.59/14,307.28
  6. Step 6: Final answer
    x = 12,800.45

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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.