Home / 19,385.40-26,762.01-13,045.32

Finding the Fourth Proportional to 19,385.40, 26,762.01 and 13,045.32

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Solution

The fourth proportional to 19,385.40, 26,762.01 and 13,045.32 is: 18,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.40 : 26,762.01 = 13,045.32 : x
  2. Step 2: Convert to fraction form
    19,385.40/26,762.01 = 13,045.32/x
  3. Step 3: Cross multiply
    19,385.40x = 26,762.01 × 13,045.32
  4. Step 4: Simplify right side
    19,385.40x = 349,119,035.73
  5. Step 5: Solve for x
    x = 349,119,035.73/19,385.40
  6. Step 6: Final answer
    x = 18,009.38

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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.