Home / 14,390.34-19,864.06-10,643.66

Finding the Fourth Proportional to 14,390.34, 19,864.06 and 10,643.66

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Solution

The fourth proportional to 14,390.34, 19,864.06 and 10,643.66 is: 14,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.34 : 19,864.06 = 10,643.66 : x
  2. Step 2: Convert to fraction form
    14,390.34/19,864.06 = 10,643.66/x
  3. Step 3: Cross multiply
    14,390.34x = 19,864.06 × 10,643.66
  4. Step 4: Simplify right side
    14,390.34x = 211,426,300.86
  5. Step 5: Solve for x
    x = 211,426,300.86/14,390.34
  6. Step 6: Final answer
    x = 14,692.24

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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.