Home / 10,228.42-15,346.59-3,988.99

Finding the Fourth Proportional to 10,228.42, 15,346.59 and 3,988.99

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Solution

The fourth proportional to 10,228.42, 15,346.59 and 3,988.99 is: 5,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.42 : 15,346.59 = 3,988.99 : x
  2. Step 2: Convert to fraction form
    10,228.42/15,346.59 = 3,988.99/x
  3. Step 3: Cross multiply
    10,228.42x = 15,346.59 × 3,988.99
  4. Step 4: Simplify right side
    10,228.42x = 61,217,394.04
  5. Step 5: Solve for x
    x = 61,217,394.04/10,228.42
  6. Step 6: Final answer
    x = 5,985.03

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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.