Home / 10,528.62-15,783.63-4,293.84

Finding the Fourth Proportional to 10,528.62, 15,783.63 and 4,293.84

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Solution

The fourth proportional to 10,528.62, 15,783.63 and 4,293.84 is: 6,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.62 : 15,783.63 = 4,293.84 : x
  2. Step 2: Convert to fraction form
    10,528.62/15,783.63 = 4,293.84/x
  3. Step 3: Cross multiply
    10,528.62x = 15,783.63 × 4,293.84
  4. Step 4: Simplify right side
    10,528.62x = 67,772,424.93
  5. Step 5: Solve for x
    x = 67,772,424.93/10,528.62
  6. Step 6: Final answer
    x = 6,436.97

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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.