Home / 9,510.21-14,223.40-8,638.25

Finding the Fourth Proportional to 9,510.21, 14,223.40 and 8,638.25

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Solution

The fourth proportional to 9,510.21, 14,223.40 and 8,638.25 is: 12,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.21 : 14,223.40 = 8,638.25 : x
  2. Step 2: Convert to fraction form
    9,510.21/14,223.40 = 8,638.25/x
  3. Step 3: Cross multiply
    9,510.21x = 14,223.40 × 8,638.25
  4. Step 4: Simplify right side
    9,510.21x = 122,865,192.34
  5. Step 5: Solve for x
    x = 122,865,192.34/9,510.21
  6. Step 6: Final answer
    x = 12,919.29

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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.