Home / 19,031.32-26,260.86-10,645.72

Finding the Fourth Proportional to 19,031.32, 26,260.86 and 10,645.72

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Solution

The fourth proportional to 19,031.32, 26,260.86 and 10,645.72 is: 14,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.32 : 26,260.86 = 10,645.72 : x
  2. Step 2: Convert to fraction form
    19,031.32/26,260.86 = 10,645.72/x
  3. Step 3: Cross multiply
    19,031.32x = 26,260.86 × 10,645.72
  4. Step 4: Simplify right side
    19,031.32x = 279,565,762.52
  5. Step 5: Solve for x
    x = 279,565,762.52/19,031.32
  6. Step 6: Final answer
    x = 14,689.77

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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.