Home / 13,880.10-19,154.80-7,592.88

Finding the Fourth Proportional to 13,880.10, 19,154.80 and 7,592.88

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Solution

The fourth proportional to 13,880.10, 19,154.80 and 7,592.88 is: 10,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.10 : 19,154.80 = 7,592.88 : x
  2. Step 2: Convert to fraction form
    13,880.10/19,154.80 = 7,592.88/x
  3. Step 3: Cross multiply
    13,880.10x = 19,154.80 × 7,592.88
  4. Step 4: Simplify right side
    13,880.10x = 145,440,097.82
  5. Step 5: Solve for x
    x = 145,440,097.82/13,880.10
  6. Step 6: Final answer
    x = 10,478.32

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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.