Home / 21,798.05-32,703.62-9,319.19

Finding the Fourth Proportional to 21,798.05, 32,703.62 and 9,319.19

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Solution

The fourth proportional to 21,798.05, 32,703.62 and 9,319.19 is: 13,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.05 : 32,703.62 = 9,319.19 : x
  2. Step 2: Convert to fraction form
    21,798.05/32,703.62 = 9,319.19/x
  3. Step 3: Cross multiply
    21,798.05x = 32,703.62 × 9,319.19
  4. Step 4: Simplify right side
    21,798.05x = 304,771,038.35
  5. Step 5: Solve for x
    x = 304,771,038.35/21,798.05
  6. Step 6: Final answer
    x = 13,981.58

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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.