Home / 19,085.90-28,631.45-6,602.58

Finding the Fourth Proportional to 19,085.90, 28,631.45 and 6,602.58

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Solution

The fourth proportional to 19,085.90, 28,631.45 and 6,602.58 is: 9,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.90 : 28,631.45 = 6,602.58 : x
  2. Step 2: Convert to fraction form
    19,085.90/28,631.45 = 6,602.58/x
  3. Step 3: Cross multiply
    19,085.90x = 28,631.45 × 6,602.58
  4. Step 4: Simplify right side
    19,085.90x = 189,041,455.65
  5. Step 5: Solve for x
    x = 189,041,455.65/19,085.90
  6. Step 6: Final answer
    x = 9,904.77

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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.