Home / 11,424.65-17,140.86-6,160.16

Finding the Fourth Proportional to 11,424.65, 17,140.86 and 6,160.16

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Solution

The fourth proportional to 11,424.65, 17,140.86 and 6,160.16 is: 9,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.65 : 17,140.86 = 6,160.16 : x
  2. Step 2: Convert to fraction form
    11,424.65/17,140.86 = 6,160.16/x
  3. Step 3: Cross multiply
    11,424.65x = 17,140.86 × 6,160.16
  4. Step 4: Simplify right side
    11,424.65x = 105,590,417.46
  5. Step 5: Solve for x
    x = 105,590,417.46/11,424.65
  6. Step 6: Final answer
    x = 9,242.34

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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.