Home / 14,830.48-20,459.55-8,859.16

Finding the Fourth Proportional to 14,830.48, 20,459.55 and 8,859.16

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Solution

The fourth proportional to 14,830.48, 20,459.55 and 8,859.16 is: 12,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.48 : 20,459.55 = 8,859.16 : x
  2. Step 2: Convert to fraction form
    14,830.48/20,459.55 = 8,859.16/x
  3. Step 3: Cross multiply
    14,830.48x = 20,459.55 × 8,859.16
  4. Step 4: Simplify right side
    14,830.48x = 181,254,426.98
  5. Step 5: Solve for x
    x = 181,254,426.98/14,830.48
  6. Step 6: Final answer
    x = 12,221.75

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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.