Home / 10,410.80-14,361.91-6,430.46

Finding the Fourth Proportional to 10,410.80, 14,361.91 and 6,430.46

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Solution

The fourth proportional to 10,410.80, 14,361.91 and 6,430.46 is: 8,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.80 : 14,361.91 = 6,430.46 : x
  2. Step 2: Convert to fraction form
    10,410.80/14,361.91 = 6,430.46/x
  3. Step 3: Cross multiply
    10,410.80x = 14,361.91 × 6,430.46
  4. Step 4: Simplify right side
    10,410.80x = 92,353,599.89
  5. Step 5: Solve for x
    x = 92,353,599.89/10,410.80
  6. Step 6: Final answer
    x = 8,870.95

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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.