Home / 13,041.52-19,561.20-3,681.16

Finding the Fourth Proportional to 13,041.52, 19,561.20 and 3,681.16

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Solution

The fourth proportional to 13,041.52, 19,561.20 and 3,681.16 is: 5,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.52 : 19,561.20 = 3,681.16 : x
  2. Step 2: Convert to fraction form
    13,041.52/19,561.20 = 3,681.16/x
  3. Step 3: Cross multiply
    13,041.52x = 19,561.20 × 3,681.16
  4. Step 4: Simplify right side
    13,041.52x = 72,007,906.99
  5. Step 5: Solve for x
    x = 72,007,906.99/13,041.52
  6. Step 6: Final answer
    x = 5,521.44

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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.