Home / 14,312.34-19,741.05-13,830.66

Finding the Fourth Proportional to 14,312.34, 19,741.05 and 13,830.66

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Solution

The fourth proportional to 14,312.34, 19,741.05 and 13,830.66 is: 19,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.34 : 19,741.05 = 13,830.66 : x
  2. Step 2: Convert to fraction form
    14,312.34/19,741.05 = 13,830.66/x
  3. Step 3: Cross multiply
    14,312.34x = 19,741.05 × 13,830.66
  4. Step 4: Simplify right side
    14,312.34x = 273,031,750.59
  5. Step 5: Solve for x
    x = 273,031,750.59/14,312.34
  6. Step 6: Final answer
    x = 19,076.67

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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.