Home / 9,555.50-13,187.16-6,019.40

Finding the Fourth Proportional to 9,555.50, 13,187.16 and 6,019.40

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Solution

The fourth proportional to 9,555.50, 13,187.16 and 6,019.40 is: 8,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.50 : 13,187.16 = 6,019.40 : x
  2. Step 2: Convert to fraction form
    9,555.50/13,187.16 = 6,019.40/x
  3. Step 3: Cross multiply
    9,555.50x = 13,187.16 × 6,019.40
  4. Step 4: Simplify right side
    9,555.50x = 79,378,790.90
  5. Step 5: Solve for x
    x = 79,378,790.90/9,555.50
  6. Step 6: Final answer
    x = 8,307.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.