Home / 11,317.51-15,617.98-6,281.74

Finding the Fourth Proportional to 11,317.51, 15,617.98 and 6,281.74

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Solution

The fourth proportional to 11,317.51, 15,617.98 and 6,281.74 is: 8,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.51 : 15,617.98 = 6,281.74 : x
  2. Step 2: Convert to fraction form
    11,317.51/15,617.98 = 6,281.74/x
  3. Step 3: Cross multiply
    11,317.51x = 15,617.98 × 6,281.74
  4. Step 4: Simplify right side
    11,317.51x = 98,108,089.69
  5. Step 5: Solve for x
    x = 98,108,089.69/11,317.51
  6. Step 6: Final answer
    x = 8,668.70

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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.