Home / 13,085.93-19,630.52-4,318.49

Finding the Fourth Proportional to 13,085.93, 19,630.52 and 4,318.49

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Solution

The fourth proportional to 13,085.93, 19,630.52 and 4,318.49 is: 6,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.93 : 19,630.52 = 4,318.49 : x
  2. Step 2: Convert to fraction form
    13,085.93/19,630.52 = 4,318.49/x
  3. Step 3: Cross multiply
    13,085.93x = 19,630.52 × 4,318.49
  4. Step 4: Simplify right side
    13,085.93x = 84,774,204.31
  5. Step 5: Solve for x
    x = 84,774,204.31/13,085.93
  6. Step 6: Final answer
    x = 6,478.27

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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.