Home / 14,500.64-19,999.80-12,487.54

Finding the Fourth Proportional to 14,500.64, 19,999.80 and 12,487.54

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Solution

The fourth proportional to 14,500.64, 19,999.80 and 12,487.54 is: 17,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.64 : 19,999.80 = 12,487.54 : x
  2. Step 2: Convert to fraction form
    14,500.64/19,999.80 = 12,487.54/x
  3. Step 3: Cross multiply
    14,500.64x = 19,999.80 × 12,487.54
  4. Step 4: Simplify right side
    14,500.64x = 249,748,302.49
  5. Step 5: Solve for x
    x = 249,748,302.49/14,500.64
  6. Step 6: Final answer
    x = 17,223.26

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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.