Home / 10,426.35-15,639.79-3,030.88

Finding the Fourth Proportional to 10,426.35, 15,639.79 and 3,030.88

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Solution

The fourth proportional to 10,426.35, 15,639.79 and 3,030.88 is: 4,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.35 : 15,639.79 = 3,030.88 : x
  2. Step 2: Convert to fraction form
    10,426.35/15,639.79 = 3,030.88/x
  3. Step 3: Cross multiply
    10,426.35x = 15,639.79 × 3,030.88
  4. Step 4: Simplify right side
    10,426.35x = 47,402,280.04
  5. Step 5: Solve for x
    x = 47,402,280.04/10,426.35
  6. Step 6: Final answer
    x = 4,546.39

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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.