Home / 15,610.10-21,541.93-8,536.53

Finding the Fourth Proportional to 15,610.10, 21,541.93 and 8,536.53

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Solution

The fourth proportional to 15,610.10, 21,541.93 and 8,536.53 is: 11,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.10 : 21,541.93 = 8,536.53 : x
  2. Step 2: Convert to fraction form
    15,610.10/21,541.93 = 8,536.53/x
  3. Step 3: Cross multiply
    15,610.10x = 21,541.93 × 8,536.53
  4. Step 4: Simplify right side
    15,610.10x = 183,893,223.99
  5. Step 5: Solve for x
    x = 183,893,223.99/15,610.10
  6. Step 6: Final answer
    x = 11,780.40

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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.