Home / 15,366.96-21,206.61-9,316.26

Finding the Fourth Proportional to 15,366.96, 21,206.61 and 9,316.26

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Solution

The fourth proportional to 15,366.96, 21,206.61 and 9,316.26 is: 12,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.96 : 21,206.61 = 9,316.26 : x
  2. Step 2: Convert to fraction form
    15,366.96/21,206.61 = 9,316.26/x
  3. Step 3: Cross multiply
    15,366.96x = 21,206.61 × 9,316.26
  4. Step 4: Simplify right side
    15,366.96x = 197,566,292.48
  5. Step 5: Solve for x
    x = 197,566,292.48/15,366.96
  6. Step 6: Final answer
    x = 12,856.56

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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.