Home / 10,281.60-14,164.29-8,477.33

Finding the Fourth Proportional to 10,281.60, 14,164.29 and 8,477.33

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Solution

The fourth proportional to 10,281.60, 14,164.29 and 8,477.33 is: 11,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.60 : 14,164.29 = 8,477.33 : x
  2. Step 2: Convert to fraction form
    10,281.60/14,164.29 = 8,477.33/x
  3. Step 3: Cross multiply
    10,281.60x = 14,164.29 × 8,477.33
  4. Step 4: Simplify right side
    10,281.60x = 120,075,289.72
  5. Step 5: Solve for x
    x = 120,075,289.72/10,281.60
  6. Step 6: Final answer
    x = 11,678.66

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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.