Home / 10,778.36-14,875.26-6,589.40

Finding the Fourth Proportional to 10,778.36, 14,875.26 and 6,589.40

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Solution

The fourth proportional to 10,778.36, 14,875.26 and 6,589.40 is: 9,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.36 : 14,875.26 = 6,589.40 : x
  2. Step 2: Convert to fraction form
    10,778.36/14,875.26 = 6,589.40/x
  3. Step 3: Cross multiply
    10,778.36x = 14,875.26 × 6,589.40
  4. Step 4: Simplify right side
    10,778.36x = 98,019,038.24
  5. Step 5: Solve for x
    x = 98,019,038.24/10,778.36
  6. Step 6: Final answer
    x = 9,094.06

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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.