Home / 19,574.04-29,368.92-7,888.20

Finding the Fourth Proportional to 19,574.04, 29,368.92 and 7,888.20

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Solution

The fourth proportional to 19,574.04, 29,368.92 and 7,888.20 is: 11,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.04 : 29,368.92 = 7,888.20 : x
  2. Step 2: Convert to fraction form
    19,574.04/29,368.92 = 7,888.20/x
  3. Step 3: Cross multiply
    19,574.04x = 29,368.92 × 7,888.20
  4. Step 4: Simplify right side
    19,574.04x = 231,667,914.74
  5. Step 5: Solve for x
    x = 231,667,914.74/19,574.04
  6. Step 6: Final answer
    x = 11,835.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.