Home / 15,740.64-23,625.36-9,907.68

Finding the Fourth Proportional to 15,740.64, 23,625.36 and 9,907.68

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Solution

The fourth proportional to 15,740.64, 23,625.36 and 9,907.68 is: 14,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.64 : 23,625.36 = 9,907.68 : x
  2. Step 2: Convert to fraction form
    15,740.64/23,625.36 = 9,907.68/x
  3. Step 3: Cross multiply
    15,740.64x = 23,625.36 × 9,907.68
  4. Step 4: Simplify right side
    15,740.64x = 234,072,506.76
  5. Step 5: Solve for x
    x = 234,072,506.76/15,740.64
  6. Step 6: Final answer
    x = 14,870.58

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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.