Home / 14,048.59-19,388.29-7,762.18

Finding the Fourth Proportional to 14,048.59, 19,388.29 and 7,762.18

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Solution

The fourth proportional to 14,048.59, 19,388.29 and 7,762.18 is: 10,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.59 : 19,388.29 = 7,762.18 : x
  2. Step 2: Convert to fraction form
    14,048.59/19,388.29 = 7,762.18/x
  3. Step 3: Cross multiply
    14,048.59x = 19,388.29 × 7,762.18
  4. Step 4: Simplify right side
    14,048.59x = 150,495,396.87
  5. Step 5: Solve for x
    x = 150,495,396.87/14,048.59
  6. Step 6: Final answer
    x = 10,712.49

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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.