Home / 19,607.86-29,411.32-4,816.75

Finding the Fourth Proportional to 19,607.86, 29,411.32 and 4,816.75

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Solution

The fourth proportional to 19,607.86, 29,411.32 and 4,816.75 is: 7,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.86 : 29,411.32 = 4,816.75 : x
  2. Step 2: Convert to fraction form
    19,607.86/29,411.32 = 4,816.75/x
  3. Step 3: Cross multiply
    19,607.86x = 29,411.32 × 4,816.75
  4. Step 4: Simplify right side
    19,607.86x = 141,666,975.61
  5. Step 5: Solve for x
    x = 141,666,975.61/19,607.86
  6. Step 6: Final answer
    x = 7,225.01

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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.