Home / 10,392.90-14,341.27-6,415.29

Finding the Fourth Proportional to 10,392.90, 14,341.27 and 6,415.29

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Solution

The fourth proportional to 10,392.90, 14,341.27 and 6,415.29 is: 8,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.90 : 14,341.27 = 6,415.29 : x
  2. Step 2: Convert to fraction form
    10,392.90/14,341.27 = 6,415.29/x
  3. Step 3: Cross multiply
    10,392.90x = 14,341.27 × 6,415.29
  4. Step 4: Simplify right side
    10,392.90x = 92,003,406.02
  5. Step 5: Solve for x
    x = 92,003,406.02/10,392.90
  6. Step 6: Final answer
    x = 8,852.52

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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.