Home / 15,807.40-21,814.85-9,093.03

Finding the Fourth Proportional to 15,807.40, 21,814.85 and 9,093.03

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Solution

The fourth proportional to 15,807.40, 21,814.85 and 9,093.03 is: 12,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.40 : 21,814.85 = 9,093.03 : x
  2. Step 2: Convert to fraction form
    15,807.40/21,814.85 = 9,093.03/x
  3. Step 3: Cross multiply
    15,807.40x = 21,814.85 × 9,093.03
  4. Step 4: Simplify right side
    15,807.40x = 198,363,085.50
  5. Step 5: Solve for x
    x = 198,363,085.50/15,807.40
  6. Step 6: Final answer
    x = 12,548.75

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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.