Home / 14,108.90-21,166.87-9,957.01

Finding the Fourth Proportional to 14,108.90, 21,166.87 and 9,957.01

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Solution

The fourth proportional to 14,108.90, 21,166.87 and 9,957.01 is: 14,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.90 : 21,166.87 = 9,957.01 : x
  2. Step 2: Convert to fraction form
    14,108.90/21,166.87 = 9,957.01/x
  3. Step 3: Cross multiply
    14,108.90x = 21,166.87 × 9,957.01
  4. Step 4: Simplify right side
    14,108.90x = 210,758,658.45
  5. Step 5: Solve for x
    x = 210,758,658.45/14,108.90
  6. Step 6: Final answer
    x = 14,938.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.