Home / 13,212.42-19,817.61-4,888.53

Finding the Fourth Proportional to 13,212.42, 19,817.61 and 4,888.53

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Solution

The fourth proportional to 13,212.42, 19,817.61 and 4,888.53 is: 7,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.42 : 19,817.61 = 4,888.53 : x
  2. Step 2: Convert to fraction form
    13,212.42/19,817.61 = 4,888.53/x
  3. Step 3: Cross multiply
    13,212.42x = 19,817.61 × 4,888.53
  4. Step 4: Simplify right side
    13,212.42x = 96,878,981.01
  5. Step 5: Solve for x
    x = 96,878,981.01/13,212.42
  6. Step 6: Final answer
    x = 7,332.42

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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.