Home / 13,041.14-19,561.35-3,681.80

Finding the Fourth Proportional to 13,041.14, 19,561.35 and 3,681.80

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Solution

The fourth proportional to 13,041.14, 19,561.35 and 3,681.80 is: 5,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.14 : 19,561.35 = 3,681.80 : x
  2. Step 2: Convert to fraction form
    13,041.14/19,561.35 = 3,681.80/x
  3. Step 3: Cross multiply
    13,041.14x = 19,561.35 × 3,681.80
  4. Step 4: Simplify right side
    13,041.14x = 72,020,967.79
  5. Step 5: Solve for x
    x = 72,020,967.79/13,041.14
  6. Step 6: Final answer
    x = 5,522.60

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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.