Home / 9,739.80-14,612.40-6,459.30

Finding the Fourth Proportional to 9,739.80, 14,612.40 and 6,459.30

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Solution

The fourth proportional to 9,739.80, 14,612.40 and 6,459.30 is: 9,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.80 : 14,612.40 = 6,459.30 : x
  2. Step 2: Convert to fraction form
    9,739.80/14,612.40 = 6,459.30/x
  3. Step 3: Cross multiply
    9,739.80x = 14,612.40 × 6,459.30
  4. Step 4: Simplify right side
    9,739.80x = 94,385,875.32
  5. Step 5: Solve for x
    x = 94,385,875.32/9,739.80
  6. Step 6: Final answer
    x = 9,690.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.