Home / 15,592.36-21,521.38-10,013.08

Finding the Fourth Proportional to 15,592.36, 21,521.38 and 10,013.08

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Solution

The fourth proportional to 15,592.36, 21,521.38 and 10,013.08 is: 13,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.36 : 21,521.38 = 10,013.08 : x
  2. Step 2: Convert to fraction form
    15,592.36/21,521.38 = 10,013.08/x
  3. Step 3: Cross multiply
    15,592.36x = 21,521.38 × 10,013.08
  4. Step 4: Simplify right side
    15,592.36x = 215,495,299.65
  5. Step 5: Solve for x
    x = 215,495,299.65/15,592.36
  6. Step 6: Final answer
    x = 13,820.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.