Home / 9,917.16-13,686.30-6,554.07

Finding the Fourth Proportional to 9,917.16, 13,686.30 and 6,554.07

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Solution

The fourth proportional to 9,917.16, 13,686.30 and 6,554.07 is: 9,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.16 : 13,686.30 = 6,554.07 : x
  2. Step 2: Convert to fraction form
    9,917.16/13,686.30 = 6,554.07/x
  3. Step 3: Cross multiply
    9,917.16x = 13,686.30 × 6,554.07
  4. Step 4: Simplify right side
    9,917.16x = 89,700,968.24
  5. Step 5: Solve for x
    x = 89,700,968.24/9,917.16
  6. Step 6: Final answer
    x = 9,045.03

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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.