Home / 10,386.48-14,334.60-5,911.32

Finding the Fourth Proportional to 10,386.48, 14,334.60 and 5,911.32

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Solution

The fourth proportional to 10,386.48, 14,334.60 and 5,911.32 is: 8,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.48 : 14,334.60 = 5,911.32 : x
  2. Step 2: Convert to fraction form
    10,386.48/14,334.60 = 5,911.32/x
  3. Step 3: Cross multiply
    10,386.48x = 14,334.60 × 5,911.32
  4. Step 4: Simplify right side
    10,386.48x = 84,736,407.67
  5. Step 5: Solve for x
    x = 84,736,407.67/10,386.48
  6. Step 6: Final answer
    x = 8,158.34

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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.