Home / 14,060.32-19,403.28-7,686.99

Finding the Fourth Proportional to 14,060.32, 19,403.28 and 7,686.99

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Solution

The fourth proportional to 14,060.32, 19,403.28 and 7,686.99 is: 10,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.32 : 19,403.28 = 7,686.99 : x
  2. Step 2: Convert to fraction form
    14,060.32/19,403.28 = 7,686.99/x
  3. Step 3: Cross multiply
    14,060.32x = 19,403.28 × 7,686.99
  4. Step 4: Simplify right side
    14,060.32x = 149,152,824.47
  5. Step 5: Solve for x
    x = 149,152,824.47/14,060.32
  6. Step 6: Final answer
    x = 10,608.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.