Home / 13,948.21-19,248.47-7,574.75

Finding the Fourth Proportional to 13,948.21, 19,248.47 and 7,574.75

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Solution

The fourth proportional to 13,948.21, 19,248.47 and 7,574.75 is: 10,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.21 : 19,248.47 = 7,574.75 : x
  2. Step 2: Convert to fraction form
    13,948.21/19,248.47 = 7,574.75/x
  3. Step 3: Cross multiply
    13,948.21x = 19,248.47 × 7,574.75
  4. Step 4: Simplify right side
    13,948.21x = 145,802,348.13
  5. Step 5: Solve for x
    x = 145,802,348.13/13,948.21
  6. Step 6: Final answer
    x = 10,453.12

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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.