Home / 14,688.51-20,269.56-7,973.91

Finding the Fourth Proportional to 14,688.51, 20,269.56 and 7,973.91

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Solution

The fourth proportional to 14,688.51, 20,269.56 and 7,973.91 is: 11,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.51 : 20,269.56 = 7,973.91 : x
  2. Step 2: Convert to fraction form
    14,688.51/20,269.56 = 7,973.91/x
  3. Step 3: Cross multiply
    14,688.51x = 20,269.56 × 7,973.91
  4. Step 4: Simplify right side
    14,688.51x = 161,627,647.18
  5. Step 5: Solve for x
    x = 161,627,647.18/14,688.51
  6. Step 6: Final answer
    x = 11,003.68

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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.