Home / 10,686.40-16,029.24-4,838.92

Finding the Fourth Proportional to 10,686.40, 16,029.24 and 4,838.92

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Solution

The fourth proportional to 10,686.40, 16,029.24 and 4,838.92 is: 7,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.40 : 16,029.24 = 4,838.92 : x
  2. Step 2: Convert to fraction form
    10,686.40/16,029.24 = 4,838.92/x
  3. Step 3: Cross multiply
    10,686.40x = 16,029.24 × 4,838.92
  4. Step 4: Simplify right side
    10,686.40x = 77,564,210.02
  5. Step 5: Solve for x
    x = 77,564,210.02/10,686.40
  6. Step 6: Final answer
    x = 7,258.22

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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.