Home / 10,707.80-16,063.40-3,686.07

Finding the Fourth Proportional to 10,707.80, 16,063.40 and 3,686.07

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Solution

The fourth proportional to 10,707.80, 16,063.40 and 3,686.07 is: 5,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.80 : 16,063.40 = 3,686.07 : x
  2. Step 2: Convert to fraction form
    10,707.80/16,063.40 = 3,686.07/x
  3. Step 3: Cross multiply
    10,707.80x = 16,063.40 × 3,686.07
  4. Step 4: Simplify right side
    10,707.80x = 59,210,886.29
  5. Step 5: Solve for x
    x = 59,210,886.29/10,707.80
  6. Step 6: Final answer
    x = 5,529.70

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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.