Home / 21,301.02-31,946.31-9,448.20

Finding the Fourth Proportional to 21,301.02, 31,946.31 and 9,448.20

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Solution

The fourth proportional to 21,301.02, 31,946.31 and 9,448.20 is: 14,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.02 : 31,946.31 = 9,448.20 : x
  2. Step 2: Convert to fraction form
    21,301.02/31,946.31 = 9,448.20/x
  3. Step 3: Cross multiply
    21,301.02x = 31,946.31 × 9,448.20
  4. Step 4: Simplify right side
    21,301.02x = 301,835,126.14
  5. Step 5: Solve for x
    x = 301,835,126.14/21,301.02
  6. Step 6: Final answer
    x = 14,169.98

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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.