Home / 13,277.59-18,320.45-7,614.14

Finding the Fourth Proportional to 13,277.59, 18,320.45 and 7,614.14

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Solution

The fourth proportional to 13,277.59, 18,320.45 and 7,614.14 is: 10,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.59 : 18,320.45 = 7,614.14 : x
  2. Step 2: Convert to fraction form
    13,277.59/18,320.45 = 7,614.14/x
  3. Step 3: Cross multiply
    13,277.59x = 18,320.45 × 7,614.14
  4. Step 4: Simplify right side
    13,277.59x = 139,494,341.49
  5. Step 5: Solve for x
    x = 139,494,341.49/13,277.59
  6. Step 6: Final answer
    x = 10,506.00

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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.