Home / 14,302.05-19,733.61-8,637.72

Finding the Fourth Proportional to 14,302.05, 19,733.61 and 8,637.72

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Solution

The fourth proportional to 14,302.05, 19,733.61 and 8,637.72 is: 11,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.05 : 19,733.61 = 8,637.72 : x
  2. Step 2: Convert to fraction form
    14,302.05/19,733.61 = 8,637.72/x
  3. Step 3: Cross multiply
    14,302.05x = 19,733.61 × 8,637.72
  4. Step 4: Simplify right side
    14,302.05x = 170,453,397.77
  5. Step 5: Solve for x
    x = 170,453,397.77/14,302.05
  6. Step 6: Final answer
    x = 11,918.11

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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.