Home / 10,830.86-14,946.96-6,525.20

Finding the Fourth Proportional to 10,830.86, 14,946.96 and 6,525.20

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Solution

The fourth proportional to 10,830.86, 14,946.96 and 6,525.20 is: 9,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.86 : 14,946.96 = 6,525.20 : x
  2. Step 2: Convert to fraction form
    10,830.86/14,946.96 = 6,525.20/x
  3. Step 3: Cross multiply
    10,830.86x = 14,946.96 × 6,525.20
  4. Step 4: Simplify right side
    10,830.86x = 97,531,965.23
  5. Step 5: Solve for x
    x = 97,531,965.23/10,830.86
  6. Step 6: Final answer
    x = 9,005.01

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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.