Home / 12,999.17-19,487.08-4,677.23

Finding the Fourth Proportional to 12,999.17, 19,487.08 and 4,677.23

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Solution

The fourth proportional to 12,999.17, 19,487.08 and 4,677.23 is: 7,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.17 : 19,487.08 = 4,677.23 : x
  2. Step 2: Convert to fraction form
    12,999.17/19,487.08 = 4,677.23/x
  3. Step 3: Cross multiply
    12,999.17x = 19,487.08 × 4,677.23
  4. Step 4: Simplify right side
    12,999.17x = 91,145,555.19
  5. Step 5: Solve for x
    x = 91,145,555.19/12,999.17
  6. Step 6: Final answer
    x = 7,011.64

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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.