Home / 14,429.08-19,909.56-8,762.70

Finding the Fourth Proportional to 14,429.08, 19,909.56 and 8,762.70

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Solution

The fourth proportional to 14,429.08, 19,909.56 and 8,762.70 is: 12,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.08 : 19,909.56 = 8,762.70 : x
  2. Step 2: Convert to fraction form
    14,429.08/19,909.56 = 8,762.70/x
  3. Step 3: Cross multiply
    14,429.08x = 19,909.56 × 8,762.70
  4. Step 4: Simplify right side
    14,429.08x = 174,461,501.41
  5. Step 5: Solve for x
    x = 174,461,501.41/14,429.08
  6. Step 6: Final answer
    x = 12,090.97

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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.