Home / 15,687.10-23,530.65-13,095.10

Finding the Fourth Proportional to 15,687.10, 23,530.65 and 13,095.10

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Solution

The fourth proportional to 15,687.10, 23,530.65 and 13,095.10 is: 19,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.10 : 23,530.65 = 13,095.10 : x
  2. Step 2: Convert to fraction form
    15,687.10/23,530.65 = 13,095.10/x
  3. Step 3: Cross multiply
    15,687.10x = 23,530.65 × 13,095.10
  4. Step 4: Simplify right side
    15,687.10x = 308,136,214.82
  5. Step 5: Solve for x
    x = 308,136,214.82/15,687.10
  6. Step 6: Final answer
    x = 19,642.65

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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.