Home / 10,284.61-15,406.35-4,730.33

Finding the Fourth Proportional to 10,284.61, 15,406.35 and 4,730.33

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Solution

The fourth proportional to 10,284.61, 15,406.35 and 4,730.33 is: 7,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.61 : 15,406.35 = 4,730.33 : x
  2. Step 2: Convert to fraction form
    10,284.61/15,406.35 = 4,730.33/x
  3. Step 3: Cross multiply
    10,284.61x = 15,406.35 × 4,730.33
  4. Step 4: Simplify right side
    10,284.61x = 72,877,195.11
  5. Step 5: Solve for x
    x = 72,877,195.11/10,284.61
  6. Step 6: Final answer
    x = 7,086.05

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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.