Home / 15,417.90-23,114.70-6,645.60

Finding the Fourth Proportional to 15,417.90, 23,114.70 and 6,645.60

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Solution

The fourth proportional to 15,417.90, 23,114.70 and 6,645.60 is: 9,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.90 : 23,114.70 = 6,645.60 : x
  2. Step 2: Convert to fraction form
    15,417.90/23,114.70 = 6,645.60/x
  3. Step 3: Cross multiply
    15,417.90x = 23,114.70 × 6,645.60
  4. Step 4: Simplify right side
    15,417.90x = 153,611,050.32
  5. Step 5: Solve for x
    x = 153,611,050.32/15,417.90
  6. Step 6: Final answer
    x = 9,963.16

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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.