Home / 14,415.36-19,898.40-9,113.76

Finding the Fourth Proportional to 14,415.36, 19,898.40 and 9,113.76

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Solution

The fourth proportional to 14,415.36, 19,898.40 and 9,113.76 is: 12,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.36 : 19,898.40 = 9,113.76 : x
  2. Step 2: Convert to fraction form
    14,415.36/19,898.40 = 9,113.76/x
  3. Step 3: Cross multiply
    14,415.36x = 19,898.40 × 9,113.76
  4. Step 4: Simplify right side
    14,415.36x = 181,349,241.98
  5. Step 5: Solve for x
    x = 181,349,241.98/14,415.36
  6. Step 6: Final answer
    x = 12,580.28

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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.