Home / 14,417.20-19,897.68-9,113.36

Finding the Fourth Proportional to 14,417.20, 19,897.68 and 9,113.36

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Solution

The fourth proportional to 14,417.20, 19,897.68 and 9,113.36 is: 12,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.20 : 19,897.68 = 9,113.36 : x
  2. Step 2: Convert to fraction form
    14,417.20/19,897.68 = 9,113.36/x
  3. Step 3: Cross multiply
    14,417.20x = 19,897.68 × 9,113.36
  4. Step 4: Simplify right side
    14,417.20x = 181,334,721.00
  5. Step 5: Solve for x
    x = 181,334,721.00/14,417.20
  6. Step 6: Final answer
    x = 12,577.67

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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.