Home / 13,985.51-19,290.18-9,203.93

Finding the Fourth Proportional to 13,985.51, 19,290.18 and 9,203.93

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Solution

The fourth proportional to 13,985.51, 19,290.18 and 9,203.93 is: 12,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.51 : 19,290.18 = 9,203.93 : x
  2. Step 2: Convert to fraction form
    13,985.51/19,290.18 = 9,203.93/x
  3. Step 3: Cross multiply
    13,985.51x = 19,290.18 × 9,203.93
  4. Step 4: Simplify right side
    13,985.51x = 177,545,514.63
  5. Step 5: Solve for x
    x = 177,545,514.63/13,985.51
  6. Step 6: Final answer
    x = 12,694.96

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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.