Home / 19,343.60-29,018.40-8,250.32

Finding the Fourth Proportional to 19,343.60, 29,018.40 and 8,250.32

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Solution

The fourth proportional to 19,343.60, 29,018.40 and 8,250.32 is: 12,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.60 : 29,018.40 = 8,250.32 : x
  2. Step 2: Convert to fraction form
    19,343.60/29,018.40 = 8,250.32/x
  3. Step 3: Cross multiply
    19,343.60x = 29,018.40 × 8,250.32
  4. Step 4: Simplify right side
    19,343.60x = 239,411,085.89
  5. Step 5: Solve for x
    x = 239,411,085.89/19,343.60
  6. Step 6: Final answer
    x = 12,376.76

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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.