Home / 10,485.86-15,714.95-5,554.17

Finding the Fourth Proportional to 10,485.86, 15,714.95 and 5,554.17

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Solution

The fourth proportional to 10,485.86, 15,714.95 and 5,554.17 is: 8,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.86 : 15,714.95 = 5,554.17 : x
  2. Step 2: Convert to fraction form
    10,485.86/15,714.95 = 5,554.17/x
  3. Step 3: Cross multiply
    10,485.86x = 15,714.95 × 5,554.17
  4. Step 4: Simplify right side
    10,485.86x = 87,283,476.07
  5. Step 5: Solve for x
    x = 87,283,476.07/10,485.86
  6. Step 6: Final answer
    x = 8,323.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.