Home / 10,859.04-16,290.80-5,663.52

Finding the Fourth Proportional to 10,859.04, 16,290.80 and 5,663.52

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Solution

The fourth proportional to 10,859.04, 16,290.80 and 5,663.52 is: 8,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.04 : 16,290.80 = 5,663.52 : x
  2. Step 2: Convert to fraction form
    10,859.04/16,290.80 = 5,663.52/x
  3. Step 3: Cross multiply
    10,859.04x = 16,290.80 × 5,663.52
  4. Step 4: Simplify right side
    10,859.04x = 92,263,271.62
  5. Step 5: Solve for x
    x = 92,263,271.62/10,859.04
  6. Step 6: Final answer
    x = 8,496.45

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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.