Home / 19,813.58-29,730.16-9,284.34

Finding the Fourth Proportional to 19,813.58, 29,730.16 and 9,284.34

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Solution

The fourth proportional to 19,813.58, 29,730.16 and 9,284.34 is: 13,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.58 : 29,730.16 = 9,284.34 : x
  2. Step 2: Convert to fraction form
    19,813.58/29,730.16 = 9,284.34/x
  3. Step 3: Cross multiply
    19,813.58x = 29,730.16 × 9,284.34
  4. Step 4: Simplify right side
    19,813.58x = 276,024,913.69
  5. Step 5: Solve for x
    x = 276,024,913.69/19,813.58
  6. Step 6: Final answer
    x = 13,931.10

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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.