Home / 13,253.81-19,868.13-4,928.16

Finding the Fourth Proportional to 13,253.81, 19,868.13 and 4,928.16

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Solution

The fourth proportional to 13,253.81, 19,868.13 and 4,928.16 is: 7,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.81 : 19,868.13 = 4,928.16 : x
  2. Step 2: Convert to fraction form
    13,253.81/19,868.13 = 4,928.16/x
  3. Step 3: Cross multiply
    13,253.81x = 19,868.13 × 4,928.16
  4. Step 4: Simplify right side
    13,253.81x = 97,913,323.54
  5. Step 5: Solve for x
    x = 97,913,323.54/13,253.81
  6. Step 6: Final answer
    x = 7,387.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.