Home / 13,880.48-19,154.96-7,592.88

Finding the Fourth Proportional to 13,880.48, 19,154.96 and 7,592.88

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Solution

The fourth proportional to 13,880.48, 19,154.96 and 7,592.88 is: 10,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.48 : 19,154.96 = 7,592.88 : x
  2. Step 2: Convert to fraction form
    13,880.48/19,154.96 = 7,592.88/x
  3. Step 3: Cross multiply
    13,880.48x = 19,154.96 × 7,592.88
  4. Step 4: Simplify right side
    13,880.48x = 145,441,312.68
  5. Step 5: Solve for x
    x = 145,441,312.68/13,880.48
  6. Step 6: Final answer
    x = 10,478.12

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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.