Home / 10,465.57-15,703.73-5,784.70

Finding the Fourth Proportional to 10,465.57, 15,703.73 and 5,784.70

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Solution

The fourth proportional to 10,465.57, 15,703.73 and 5,784.70 is: 8,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.57 : 15,703.73 = 5,784.70 : x
  2. Step 2: Convert to fraction form
    10,465.57/15,703.73 = 5,784.70/x
  3. Step 3: Cross multiply
    10,465.57x = 15,703.73 × 5,784.70
  4. Step 4: Simplify right side
    10,465.57x = 90,841,366.93
  5. Step 5: Solve for x
    x = 90,841,366.93/10,465.57
  6. Step 6: Final answer
    x = 8,680.02

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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.