Home / 13,880-19,154.40-7,592.38

Finding the Fourth Proportional to 13,880, 19,154.40 and 7,592.38

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Solution

The fourth proportional to 13,880, 19,154.40 and 7,592.38 is: 10,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880 : 19,154.40 = 7,592.38 : x
  2. Step 2: Convert to fraction form
    13,880/19,154.40 = 7,592.38/x
  3. Step 3: Cross multiply
    13,880x = 19,154.40 × 7,592.38
  4. Step 4: Simplify right side
    13,880x = 145,427,483.47
  5. Step 5: Solve for x
    x = 145,427,483.47/13,880
  6. Step 6: Final answer
    x = 10,477.48

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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.