Home / 13,813.04-19,061.88-7,525.28

Finding the Fourth Proportional to 13,813.04, 19,061.88 and 7,525.28

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Solution

The fourth proportional to 13,813.04, 19,061.88 and 7,525.28 is: 10,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.04 : 19,061.88 = 7,525.28 : x
  2. Step 2: Convert to fraction form
    13,813.04/19,061.88 = 7,525.28/x
  3. Step 3: Cross multiply
    13,813.04x = 19,061.88 × 7,525.28
  4. Step 4: Simplify right side
    13,813.04x = 143,445,984.33
  5. Step 5: Solve for x
    x = 143,445,984.33/13,813.04
  6. Step 6: Final answer
    x = 10,384.82

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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.