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Finding the Fourth Proportional to 19,437, 29,161.64 and 14,779.32

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Solution

The fourth proportional to 19,437, 29,161.64 and 14,779.32 is: 22,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437 : 29,161.64 = 14,779.32 : x
  2. Step 2: Convert to fraction form
    19,437/29,161.64 = 14,779.32/x
  3. Step 3: Cross multiply
    19,437x = 29,161.64 × 14,779.32
  4. Step 4: Simplify right side
    19,437x = 430,989,209.28
  5. Step 5: Solve for x
    x = 430,989,209.28/19,437
  6. Step 6: Final answer
    x = 22,173.65

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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.