Home / 15,377.60-23,051.40-7,881.16

Finding the Fourth Proportional to 15,377.60, 23,051.40 and 7,881.16

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Solution

The fourth proportional to 15,377.60, 23,051.40 and 7,881.16 is: 11,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.60 : 23,051.40 = 7,881.16 : x
  2. Step 2: Convert to fraction form
    15,377.60/23,051.40 = 7,881.16/x
  3. Step 3: Cross multiply
    15,377.60x = 23,051.40 × 7,881.16
  4. Step 4: Simplify right side
    15,377.60x = 181,671,771.62
  5. Step 5: Solve for x
    x = 181,671,771.62/15,377.60
  6. Step 6: Final answer
    x = 11,814.05

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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.