Home / 15,513.16-23,094.28-15,420.90

Finding the Fourth Proportional to 15,513.16, 23,094.28 and 15,420.90

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Solution

The fourth proportional to 15,513.16, 23,094.28 and 15,420.90 is: 22,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.16 : 23,094.28 = 15,420.90 : x
  2. Step 2: Convert to fraction form
    15,513.16/23,094.28 = 15,420.90/x
  3. Step 3: Cross multiply
    15,513.16x = 23,094.28 × 15,420.90
  4. Step 4: Simplify right side
    15,513.16x = 356,134,582.45
  5. Step 5: Solve for x
    x = 356,134,582.45/15,513.16
  6. Step 6: Final answer
    x = 22,956.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.