Home / 9,699.12-13,389.90-6,529.08

Finding the Fourth Proportional to 9,699.12, 13,389.90 and 6,529.08

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Solution

The fourth proportional to 9,699.12, 13,389.90 and 6,529.08 is: 9,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.12 : 13,389.90 = 6,529.08 : x
  2. Step 2: Convert to fraction form
    9,699.12/13,389.90 = 6,529.08/x
  3. Step 3: Cross multiply
    9,699.12x = 13,389.90 × 6,529.08
  4. Step 4: Simplify right side
    9,699.12x = 87,423,728.29
  5. Step 5: Solve for x
    x = 87,423,728.29/9,699.12
  6. Step 6: Final answer
    x = 9,013.57

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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.