Home / 10,985.48-16,478.40-6,054.20

Finding the Fourth Proportional to 10,985.48, 16,478.40 and 6,054.20

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Solution

The fourth proportional to 10,985.48, 16,478.40 and 6,054.20 is: 9,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.48 : 16,478.40 = 6,054.20 : x
  2. Step 2: Convert to fraction form
    10,985.48/16,478.40 = 6,054.20/x
  3. Step 3: Cross multiply
    10,985.48x = 16,478.40 × 6,054.20
  4. Step 4: Simplify right side
    10,985.48x = 99,763,529.28
  5. Step 5: Solve for x
    x = 99,763,529.28/10,985.48
  6. Step 6: Final answer
    x = 9,081.40

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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.