Home / 10,649.66-14,693.45-6,875.06

Finding the Fourth Proportional to 10,649.66, 14,693.45 and 6,875.06

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Solution

The fourth proportional to 10,649.66, 14,693.45 and 6,875.06 is: 9,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.66 : 14,693.45 = 6,875.06 : x
  2. Step 2: Convert to fraction form
    10,649.66/14,693.45 = 6,875.06/x
  3. Step 3: Cross multiply
    10,649.66x = 14,693.45 × 6,875.06
  4. Step 4: Simplify right side
    10,649.66x = 101,018,242.51
  5. Step 5: Solve for x
    x = 101,018,242.51/10,649.66
  6. Step 6: Final answer
    x = 9,485.59

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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.