Home / 19,971.06-29,916.50-9,945.60

Finding the Fourth Proportional to 19,971.06, 29,916.50 and 9,945.60

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Solution

The fourth proportional to 19,971.06, 29,916.50 and 9,945.60 is: 14,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.06 : 29,916.50 = 9,945.60 : x
  2. Step 2: Convert to fraction form
    19,971.06/29,916.50 = 9,945.60/x
  3. Step 3: Cross multiply
    19,971.06x = 29,916.50 × 9,945.60
  4. Step 4: Simplify right side
    19,971.06x = 297,537,492.67
  5. Step 5: Solve for x
    x = 297,537,492.67/19,971.06
  6. Step 6: Final answer
    x = 14,898.43

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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.