Home / 10,206.96-14,085.49-5,730.60

Finding the Fourth Proportional to 10,206.96, 14,085.49 and 5,730.60

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Solution

The fourth proportional to 10,206.96, 14,085.49 and 5,730.60 is: 7,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.96 : 14,085.49 = 5,730.60 : x
  2. Step 2: Convert to fraction form
    10,206.96/14,085.49 = 5,730.60/x
  3. Step 3: Cross multiply
    10,206.96x = 14,085.49 × 5,730.60
  4. Step 4: Simplify right side
    10,206.96x = 80,718,280.34
  5. Step 5: Solve for x
    x = 80,718,280.34/10,206.96
  6. Step 6: Final answer
    x = 7,908.16

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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.