Home / 13,969.04-19,277.40-7,681.52

Finding the Fourth Proportional to 13,969.04, 19,277.40 and 7,681.52

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Solution

The fourth proportional to 13,969.04, 19,277.40 and 7,681.52 is: 10,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.04 : 19,277.40 = 7,681.52 : x
  2. Step 2: Convert to fraction form
    13,969.04/19,277.40 = 7,681.52/x
  3. Step 3: Cross multiply
    13,969.04x = 19,277.40 × 7,681.52
  4. Step 4: Simplify right side
    13,969.04x = 148,079,733.65
  5. Step 5: Solve for x
    x = 148,079,733.65/13,969.04
  6. Step 6: Final answer
    x = 10,600.57

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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.