Home / 10,139.99-15,209.98-4,592.30

Finding the Fourth Proportional to 10,139.99, 15,209.98 and 4,592.30

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Solution

The fourth proportional to 10,139.99, 15,209.98 and 4,592.30 is: 6,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.99 : 15,209.98 = 4,592.30 : x
  2. Step 2: Convert to fraction form
    10,139.99/15,209.98 = 4,592.30/x
  3. Step 3: Cross multiply
    10,139.99x = 15,209.98 × 4,592.30
  4. Step 4: Simplify right side
    10,139.99x = 69,848,703.62
  5. Step 5: Solve for x
    x = 69,848,703.62/10,139.99
  6. Step 6: Final answer
    x = 6,888.44

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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.