Home / 14,127.48-19,487.34-9,347.40

Finding the Fourth Proportional to 14,127.48, 19,487.34 and 9,347.40

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Solution

The fourth proportional to 14,127.48, 19,487.34 and 9,347.40 is: 12,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.48 : 19,487.34 = 9,347.40 : x
  2. Step 2: Convert to fraction form
    14,127.48/19,487.34 = 9,347.40/x
  3. Step 3: Cross multiply
    14,127.48x = 19,487.34 × 9,347.40
  4. Step 4: Simplify right side
    14,127.48x = 182,155,961.92
  5. Step 5: Solve for x
    x = 182,155,961.92/14,127.48
  6. Step 6: Final answer
    x = 12,893.73

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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.