Home / 19,585.91-29,383.93-8,490.04

Finding the Fourth Proportional to 19,585.91, 29,383.93 and 8,490.04

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Solution

The fourth proportional to 19,585.91, 29,383.93 and 8,490.04 is: 12,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.91 : 29,383.93 = 8,490.04 : x
  2. Step 2: Convert to fraction form
    19,585.91/29,383.93 = 8,490.04/x
  3. Step 3: Cross multiply
    19,585.91x = 29,383.93 × 8,490.04
  4. Step 4: Simplify right side
    19,585.91x = 249,470,678.21
  5. Step 5: Solve for x
    x = 249,470,678.21/19,585.91
  6. Step 6: Final answer
    x = 12,737.25

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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.