Home / 15,130.83-20,865.90-10,095.27

Finding the Fourth Proportional to 15,130.83, 20,865.90 and 10,095.27

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Solution

The fourth proportional to 15,130.83, 20,865.90 and 10,095.27 is: 13,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.83 : 20,865.90 = 10,095.27 : x
  2. Step 2: Convert to fraction form
    15,130.83/20,865.90 = 10,095.27/x
  3. Step 3: Cross multiply
    15,130.83x = 20,865.90 × 10,095.27
  4. Step 4: Simplify right side
    15,130.83x = 210,646,894.29
  5. Step 5: Solve for x
    x = 210,646,894.29/15,130.83
  6. Step 6: Final answer
    x = 13,921.70

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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.