Home / 19,343.12-29,014.96-5,492.16

Finding the Fourth Proportional to 19,343.12, 29,014.96 and 5,492.16

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Solution

The fourth proportional to 19,343.12, 29,014.96 and 5,492.16 is: 8,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.12 : 29,014.96 = 5,492.16 : x
  2. Step 2: Convert to fraction form
    19,343.12/29,014.96 = 5,492.16/x
  3. Step 3: Cross multiply
    19,343.12x = 29,014.96 × 5,492.16
  4. Step 4: Simplify right side
    19,343.12x = 159,354,802.71
  5. Step 5: Solve for x
    x = 159,354,802.71/19,343.12
  6. Step 6: Final answer
    x = 8,238.32

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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.