Home / 14,038.09-19,372.59-7,750.47

Finding the Fourth Proportional to 14,038.09, 19,372.59 and 7,750.47

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Solution

The fourth proportional to 14,038.09, 19,372.59 and 7,750.47 is: 10,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.09 : 19,372.59 = 7,750.47 : x
  2. Step 2: Convert to fraction form
    14,038.09/19,372.59 = 7,750.47/x
  3. Step 3: Cross multiply
    14,038.09x = 19,372.59 × 7,750.47
  4. Step 4: Simplify right side
    14,038.09x = 150,146,677.62
  5. Step 5: Solve for x
    x = 150,146,677.62/14,038.09
  6. Step 6: Final answer
    x = 10,695.66

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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.