Home / 13,973.56-19,278.80-7,923.14

Finding the Fourth Proportional to 13,973.56, 19,278.80 and 7,923.14

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Solution

The fourth proportional to 13,973.56, 19,278.80 and 7,923.14 is: 10,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.56 : 19,278.80 = 7,923.14 : x
  2. Step 2: Convert to fraction form
    13,973.56/19,278.80 = 7,923.14/x
  3. Step 3: Cross multiply
    13,973.56x = 19,278.80 × 7,923.14
  4. Step 4: Simplify right side
    13,973.56x = 152,748,631.43
  5. Step 5: Solve for x
    x = 152,748,631.43/13,973.56
  6. Step 6: Final answer
    x = 10,931.26

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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.