Home / 13,973.11-19,290.86-9,263.77

Finding the Fourth Proportional to 13,973.11, 19,290.86 and 9,263.77

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Solution

The fourth proportional to 13,973.11, 19,290.86 and 9,263.77 is: 12,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.11 : 19,290.86 = 9,263.77 : x
  2. Step 2: Convert to fraction form
    13,973.11/19,290.86 = 9,263.77/x
  3. Step 3: Cross multiply
    13,973.11x = 19,290.86 × 9,263.77
  4. Step 4: Simplify right side
    13,973.11x = 178,706,030.34
  5. Step 5: Solve for x
    x = 178,706,030.34/13,973.11
  6. Step 6: Final answer
    x = 12,789.28

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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.