Home / 12,683.09-17,502.51-7,017.79

Finding the Fourth Proportional to 12,683.09, 17,502.51 and 7,017.79

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Solution

The fourth proportional to 12,683.09, 17,502.51 and 7,017.79 is: 9,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.09 : 17,502.51 = 7,017.79 : x
  2. Step 2: Convert to fraction form
    12,683.09/17,502.51 = 7,017.79/x
  3. Step 3: Cross multiply
    12,683.09x = 17,502.51 × 7,017.79
  4. Step 4: Simplify right side
    12,683.09x = 122,828,955.03
  5. Step 5: Solve for x
    x = 122,828,955.03/12,683.09
  6. Step 6: Final answer
    x = 9,684.47

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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.