Home / 15,223.07-21,024.32-10,455.58

Finding the Fourth Proportional to 15,223.07, 21,024.32 and 10,455.58

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Solution

The fourth proportional to 15,223.07, 21,024.32 and 10,455.58 is: 14,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.07 : 21,024.32 = 10,455.58 : x
  2. Step 2: Convert to fraction form
    15,223.07/21,024.32 = 10,455.58/x
  3. Step 3: Cross multiply
    15,223.07x = 21,024.32 × 10,455.58
  4. Step 4: Simplify right side
    15,223.07x = 219,821,459.71
  5. Step 5: Solve for x
    x = 219,821,459.71/15,223.07
  6. Step 6: Final answer
    x = 14,440.02

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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.