Home / 19,095.90-28,654.29-7,409.58

Finding the Fourth Proportional to 19,095.90, 28,654.29 and 7,409.58

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Solution

The fourth proportional to 19,095.90, 28,654.29 and 7,409.58 is: 11,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.90 : 28,654.29 = 7,409.58 : x
  2. Step 2: Convert to fraction form
    19,095.90/28,654.29 = 7,409.58/x
  3. Step 3: Cross multiply
    19,095.90x = 28,654.29 × 7,409.58
  4. Step 4: Simplify right side
    19,095.90x = 212,316,254.10
  5. Step 5: Solve for x
    x = 212,316,254.10/19,095.90
  6. Step 6: Final answer
    x = 11,118.42

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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.