Home / 14,479.04-19,985.80-8,510.56

Finding the Fourth Proportional to 14,479.04, 19,985.80 and 8,510.56

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Solution

The fourth proportional to 14,479.04, 19,985.80 and 8,510.56 is: 11,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.04 : 19,985.80 = 8,510.56 : x
  2. Step 2: Convert to fraction form
    14,479.04/19,985.80 = 8,510.56/x
  3. Step 3: Cross multiply
    14,479.04x = 19,985.80 × 8,510.56
  4. Step 4: Simplify right side
    14,479.04x = 170,090,350.05
  5. Step 5: Solve for x
    x = 170,090,350.05/14,479.04
  6. Step 6: Final answer
    x = 11,747.35

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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.