Home / 10,015.80-14,985.30-6,559.80

Finding the Fourth Proportional to 10,015.80, 14,985.30 and 6,559.80

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Solution

The fourth proportional to 10,015.80, 14,985.30 and 6,559.80 is: 9,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.80 : 14,985.30 = 6,559.80 : x
  2. Step 2: Convert to fraction form
    10,015.80/14,985.30 = 6,559.80/x
  3. Step 3: Cross multiply
    10,015.80x = 14,985.30 × 6,559.80
  4. Step 4: Simplify right side
    10,015.80x = 98,300,570.94
  5. Step 5: Solve for x
    x = 98,300,570.94/10,015.80
  6. Step 6: Final answer
    x = 9,814.55

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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.